diff --git a/recipes-graphics/ntk/ntk_git.bb b/recipes-graphics/ntk/ntk_git.bb
index c9a3830..affba6c 100644
--- a/recipes-graphics/ntk/ntk_git.bb
+++ b/recipes-graphics/ntk/ntk_git.bb
@@ -1,6 +1,6 @@
 SUMMARY = "NTK is a fork of FLTK"
 SECTION = "libs"
-LICENSE = "LGPLv2 & FLTK"
+LICENSE = "LGPL-2.0-only & FLTK"
 LIC_FILES_CHKSUM = "file://COPYING;md5=f6b26344a24a941a01a5b0826e80b5ca"
 
 SRC_URI = " \
diff --git a/recipes-gstreamer/gstreamer-0.10/gst-plugins-base_0.10.36.bb b/recipes-gstreamer/gstreamer-0.10/gst-plugins-base_0.10.36.bb
index 6aaa460..de6c057 100644
--- a/recipes-gstreamer/gstreamer-0.10/gst-plugins-base_0.10.36.bb
+++ b/recipes-gstreamer/gstreamer-0.10/gst-plugins-base_0.10.36.bb
@@ -1,6 +1,6 @@
 require gst-plugins.inc
 
-LICENSE = "GPLv2+ & LGPLv2+"
+LICENSE = "GPL-2.0-or-later & LGPL-2.0-or-later"
 LIC_FILES_CHKSUM = "file://COPYING;md5=0636e73ff0215e8d672dc4c32c317bb3 \
                     file://common/coverage/coverage-report.pl;beginline=2;endline=17;md5=622921ffad8cb18ab906c56052788a3f \
                     file://COPYING.LIB;md5=55ca817ccb7d5b5b66355690e9abc605 \
diff --git a/recipes-gstreamer/gstreamer-0.10/gstreamer_0.10.36.bb b/recipes-gstreamer/gstreamer-0.10/gstreamer_0.10.36.bb
index 4808196..9b0e40f 100644
--- a/recipes-gstreamer/gstreamer-0.10/gstreamer_0.10.36.bb
+++ b/recipes-gstreamer/gstreamer-0.10/gstreamer_0.10.36.bb
@@ -5,7 +5,7 @@ HOMEPAGE = "http://gstreamer.freedesktop.org/"
 BUGTRACKER = "https://bugzilla.gnome.org/enter_bug.cgi?product=Gstreamer"
 SECTION = "multimedia"
 
-LICENSE = "LGPLv2+"
+LICENSE = "LGPL-2.0-or-later"
 LIC_FILES_CHKSUM = " \
     file://COPYING;md5=55ca817ccb7d5b5b66355690e9abc605 \
     file://gst/gst.h;beginline=1;endline=21;md5=8e5fe5e87d33a04479fde862e238eaa4 \
diff --git a/recipes-musicians/amsynth/amsynth.bb b/recipes-musicians/amsynth/amsynth.bb
index 96590f7..6fc3d90 100644
--- a/recipes-musicians/amsynth/amsynth.bb
+++ b/recipes-musicians/amsynth/amsynth.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Software synth with a classic subtractive synthesizer topology"
 HOMEPAGE = "http://amsynth.github.io/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=67b604758dd265c185ce36fcf76a889d"
 
 inherit autotools pkgconfig gtk-icon-cache gettext pack_audio_plugins
diff --git a/recipes-musicians/ardour/ardour6.bb b/recipes-musicians/ardour/ardour6.bb
index f245522..c78cff9 100644
--- a/recipes-musicians/ardour/ardour6.bb
+++ b/recipes-musicians/ardour/ardour6.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Ardour is a multi-channel digital audio workstation"
 HOMEPAGE = "http://ardour.org/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=4641e94ec96f98fabc56ff9cc48be14b"
 
 DEPENDS += " \
diff --git a/recipes-musicians/audacity/audacity.bb b/recipes-musicians/audacity/audacity.bb
index 9abea2a..03bc0b9 100644
--- a/recipes-musicians/audacity/audacity.bb
+++ b/recipes-musicians/audacity/audacity.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Audacity is an easy-to-use, multi-track audio editor and recorder"
 HOMEPAGE = "https://www.audacityteam.org/"
-LICENSE = "GPL-2.0 & CC-BY-3.0"
+LICENSE = "GPL-2.0-only & CC-BY-3.0"
 LIC_FILES_CHKSUM = "file://LICENSE.txt;md5=549b88b1c547acbec8f9e262f30b573e"
 
 PV = "2.4.2"
diff --git a/recipes-musicians/bristol/bristol_0.60.11.bb b/recipes-musicians/bristol/bristol_0.60.11.bb
index 73d7fe8..a73109c 100644
--- a/recipes-musicians/bristol/bristol_0.60.11.bb
+++ b/recipes-musicians/bristol/bristol_0.60.11.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Emulator for vintage synthesisers, electric pianos and organs"
 HOMEPAGE = "https://sourceforge.net/projects/bristol/"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING.GPL;md5=d32239bcb673463ab874e80d47fae504"
 
 inherit autotools pkgconfig  features_check
diff --git a/recipes-musicians/calf-studio-gear/calf.bb b/recipes-musicians/calf-studio-gear/calf.bb
index 868d16c..2ee9990 100644
--- a/recipes-musicians/calf-studio-gear/calf.bb
+++ b/recipes-musicians/calf-studio-gear/calf.bb
@@ -1,6 +1,6 @@
 SUMMARY = "High quality open source audio plugins for musicians"
 HOMEPAGE = "http://calf-studio-gear.org/"
-LICENSE = "GPLv2 & LGPLv2.1"
+LICENSE = "GPL-2.0-only & LGPL-2.1-only"
 LIC_FILES_CHKSUM = " \
     file://COPYING;md5=dcf3c825659e82539645da41a7908589 \
     file://COPYING.GPL;md5=94d55d512a9ba36caa9b7df079bae19f \
diff --git a/recipes-musicians/carla/carla.bb b/recipes-musicians/carla/carla.bb
index ee45af4..c4dfbdc 100644
--- a/recipes-musicians/carla/carla.bb
+++ b/recipes-musicians/carla/carla.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Audio plugin host"
 HOMEPAGE = "http://kxstudio.linuxaudio.org/Applications:Carla"
-LICENSE = "GPLv2 & LGPLv3"
+LICENSE = "GPL-2.0-only & LGPL-3.0-only"
 LIC_FILES_CHKSUM = " \
     file://doc/GPL.txt;md5=4641e94ec96f98fabc56ff9cc48be14b \
     file://doc/LGPL.txt;md5=e6a600fd5e1d9cbde2d983680233ad02 \
diff --git a/recipes-musicians/chromaprint/chromaprint.bb b/recipes-musicians/chromaprint/chromaprint.bb
index 01cab08..b42b9e1 100644
--- a/recipes-musicians/chromaprint/chromaprint.bb
+++ b/recipes-musicians/chromaprint/chromaprint.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Chromaprint is library that extracts fingerprints from audio sources"
 HOMEPAGE = "https://acoustid.org/chromaprint"
-LICENSE = "MIT & LGPLv2.1"
+LICENSE = "MIT & LGPL-2.1-only"
 LIC_FILES_CHKSUM = "file://LICENSE.md;md5=5d50f7a9fde1110fa1756b0f5faa26f2"
 
 inherit cmake
diff --git a/recipes-musicians/csound/csound_git.bb b/recipes-musicians/csound/csound_git.bb
index 74f46b9..fd7c394 100644
--- a/recipes-musicians/csound/csound_git.bb
+++ b/recipes-musicians/csound/csound_git.bb
@@ -1,5 +1,5 @@
 SUMMARY = "A sound and music computing system"
-LICENSE = "LGPLv2.1"
+LICENSE = "LGPL-2.1-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=a6f89e2100d9b6cdffcea4f398e37343"
 
 inherit cmake gettext python3native
diff --git a/recipes-musicians/distrho/distrho-ports.bb b/recipes-musicians/distrho/distrho-ports.bb
index 61b12e9..0f9758d 100644
--- a/recipes-musicians/distrho/distrho-ports.bb
+++ b/recipes-musicians/distrho/distrho-ports.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Collection of synthesizers and plugins"
 HOMEPAGE = "http://distrho.sourceforge.net/ports"
-LICENSE = "GPLv2 & LGPLv3"
+LICENSE = "GPL-2.0-only & LGPL-3.0-only"
 LIC_FILES_CHKSUM = " \
     file://doc/GPL.txt;md5=4641e94ec96f98fabc56ff9cc48be14b \
     file://doc/LGPL.txt;md5=e6a600fd5e1d9cbde2d983680233ad02 \
diff --git a/recipes-musicians/distrho/dpf-plugins.bb b/recipes-musicians/distrho/dpf-plugins.bb
index 740e4c1..7dfef7a 100644
--- a/recipes-musicians/distrho/dpf-plugins.bb
+++ b/recipes-musicians/distrho/dpf-plugins.bb
@@ -1,5 +1,5 @@
 SUMMARY = "Collection of DPF-based plugins"
-LICENSE = "ISC & GPLv2 & GPLv3 & LGPLv3 & MIT"
+LICENSE = "ISC & GPL-2.0-only & GPL-3.0-only & LGPL-3.0-only & MIT"
 LIC_FILES_CHKSUM = " \
     file://LICENSE;md5=ec024abddfab2ee463c8c1ad98883d12 \
 "
diff --git a/recipes-musicians/dragonfly-reverb/dragonfly-reverb.bb b/recipes-musicians/dragonfly-reverb/dragonfly-reverb.bb
index c613a78..66fd759 100644
--- a/recipes-musicians/dragonfly-reverb/dragonfly-reverb.bb
+++ b/recipes-musicians/dragonfly-reverb/dragonfly-reverb.bb
@@ -1,6 +1,6 @@
 SUMMARY = "A set of free reverb effects"
 HOMEPAGE = "https://github.com/michaelwillis/dragonfly-reverb"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=1ebbd3e34237af26da5dc08a4e440464"
 
 REQUIRED_DISTRO_FEATURES = "x11 opengl"
diff --git a/recipes-musicians/drmr/drmr_git.bb b/recipes-musicians/drmr/drmr_git.bb
index f604185..e04a2cf 100644
--- a/recipes-musicians/drmr/drmr_git.bb
+++ b/recipes-musicians/drmr/drmr_git.bb
@@ -1,6 +1,6 @@
 SUMMARY = "An LV2 sampler plugin that plays hydrogen drum kits "
 HOMEPAGE = "https://github.com/nicklan/drmr"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
 
 DEPENDS += " \
diff --git a/recipes-musicians/drobilla/ganv.bb b/recipes-musicians/drobilla/ganv.bb
index db1713a..9afde0b 100644
--- a/recipes-musicians/drobilla/ganv.bb
+++ b/recipes-musicians/drobilla/ganv.bb
@@ -1,7 +1,7 @@
 SUMMARY = "Ganv is a Gtk widget for interactive graph-like environments"
 DESCRIPTION = "Ganv is a Gtk widget for interactive graph-like environments, such as modular synthesizers or finite state machines"
 HOMEPAGE = "http://drobilla.net/software/ganv"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
 
 inherit waf pkgconfig
diff --git a/recipes-musicians/drobilla/ingen.bb b/recipes-musicians/drobilla/ingen.bb
index 850685b..45a5267 100644
--- a/recipes-musicians/drobilla/ingen.bb
+++ b/recipes-musicians/drobilla/ingen.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Ingen is a modular audio processing system for Jack and LV2 based systems"
 HOMEPAGE = "http://drobilla.net/software/ingen"
-LICENSE = "AGPLv3"
+LICENSE = "AGPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=73f1eb20517c55bf9493b7dd6e480788"
 
 inherit waf pkgconfig gtk-icon-cache pack_audio_plugins python3native
diff --git a/recipes-musicians/drobilla/mda-lv2.bb b/recipes-musicians/drobilla/mda-lv2.bb
index 0748ef1..53353ce 100644
--- a/recipes-musicians/drobilla/mda-lv2.bb
+++ b/recipes-musicians/drobilla/mda-lv2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "MDA-LV2 is an LV2 port of the MDA plugins by Paul Kellett"
 HOMEPAGE = "https://drobilla.net/software/mda-lv2"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
 
 inherit waf features_check pkgconfig
diff --git a/recipes-musicians/drobilla/patchage.bb b/recipes-musicians/drobilla/patchage.bb
index e23d14e..967b15e 100644
--- a/recipes-musicians/drobilla/patchage.bb
+++ b/recipes-musicians/drobilla/patchage.bb
@@ -1,7 +1,7 @@
 SUMMARY = "Patchage is a modular patch bay for audio and MIDI systems"
 DESCRIPTION = "Patchage is a modular patch bay for audio and MIDI systems based on Jack and Alsa"
 HOMEPAGE = "http://drobilla.net/software/patchage"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
 
 inherit waf gtk-icon-cache pkgconfig
diff --git a/recipes-musicians/drobilla/raul.bb b/recipes-musicians/drobilla/raul.bb
index 8c47eba..4a46d4a 100644
--- a/recipes-musicians/drobilla/raul.bb
+++ b/recipes-musicians/drobilla/raul.bb
@@ -1,7 +1,7 @@
 SUMMARY = "Raul is a utility library primarily aimed at audio/musical applications"
 DESCRIPTION = "Raul (Realtime Audio Utility Library) is a C++ utility library primarily aimed at audio/musical applications"
 HOMEPAGE = "https://drobilla.net/software/raul"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
 
 inherit waf pkgconfig
diff --git a/recipes-musicians/drumgizmo/dgedit_0.10.0.bb b/recipes-musicians/drumgizmo/dgedit_0.10.0.bb
index 2646970..9a18dd9 100644
--- a/recipes-musicians/drumgizmo/dgedit_0.10.0.bb
+++ b/recipes-musicians/drumgizmo/dgedit_0.10.0.bb
@@ -1,6 +1,6 @@
 SUMMARY = "DrumGizmo drumkit editor"
 HOMEPAGE = "https://www.drumgizmo.org"
-LICENSE = "LGPLv3"
+LICENSE = "LGPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
 
 DEPENDS += " \
diff --git a/recipes-musicians/drumgizmo/drumgizmo.inc b/recipes-musicians/drumgizmo/drumgizmo.inc
index 20a3182..f1e91d9 100644
--- a/recipes-musicians/drumgizmo/drumgizmo.inc
+++ b/recipes-musicians/drumgizmo/drumgizmo.inc
@@ -1,6 +1,6 @@
 SUMMARY = "DrumGizmo is drum plugin and stand-alone application"
 HOMEPAGE = "https://www.drumgizmo.org"
-LICENSE = "LGPLv3"
+LICENSE = "LGPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=e6a600fd5e1d9cbde2d983680233ad02"
 
 SRC_URI = " \
diff --git a/recipes-musicians/dssi-vst/dssi-vst_git.bb b/recipes-musicians/dssi-vst/dssi-vst_git.bb
index 796e95e..df14746 100644
--- a/recipes-musicians/dssi-vst/dssi-vst_git.bb
+++ b/recipes-musicians/dssi-vst/dssi-vst_git.bb
@@ -1,6 +1,6 @@
 SUMMARY = "DSSI plugin wrapper for VST plugins"
 HOMEPAGE = "http://breakfastquay.com/dssi-vst/"
-LICENSE = "LGPLv2"
+LICENSE = "LGPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=3523f03012c30f3347df42d632e5762c"
 
 inherit pkgconfig
diff --git a/recipes-musicians/dssi/dssi_1.1.1.bb b/recipes-musicians/dssi/dssi_1.1.1.bb
index ae72375..63b5cd7 100644
--- a/recipes-musicians/dssi/dssi_1.1.1.bb
+++ b/recipes-musicians/dssi/dssi_1.1.1.bb
@@ -1,6 +1,6 @@
 SUMMARY = "DSSI is an audio plugin API for soft synths and effects"
 HOMEPAGE = "http://dssi.sourceforge.net"
-LICENSE = "LGPLv2.1"
+LICENSE = "LGPL-2.1-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=9f46aa1ea6e91bb339e8fa2f11d17e4d"
 
 inherit autotools pkgconfig
diff --git a/recipes-musicians/geonkick/geonkick.bb b/recipes-musicians/geonkick/geonkick.bb
index f425589..5599002 100644
--- a/recipes-musicians/geonkick/geonkick.bb
+++ b/recipes-musicians/geonkick/geonkick.bb
@@ -1,6 +1,6 @@
 SUMMARY = "A free software percussion synthesizer"
 HOMEPAGE = "https://gitlab.com/iurie-sw/geonkick"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=84dcc94da3adb52b53ae4fa38fe49e5d"
 
 inherit cmake pkgconfig mime mime-xdg gtk-icon-cache
diff --git a/recipes-musicians/geonkick/redkite.bb b/recipes-musicians/geonkick/redkite.bb
index 1f98afd..52e76ce 100644
--- a/recipes-musicians/geonkick/redkite.bb
+++ b/recipes-musicians/geonkick/redkite.bb
@@ -1,5 +1,5 @@
 SUMMARY = "Redkite is a small free software GUI toolkit"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=84216b5b30fa50e81f28b8f28feb2e10"
 
 DEPENDS = "cairo"
diff --git a/recipes-musicians/gmidimonitor/gmidimonitor_3.6.bb b/recipes-musicians/gmidimonitor/gmidimonitor_3.6.bb
index 5ba8048..2fa7a51 100644
--- a/recipes-musicians/gmidimonitor/gmidimonitor_3.6.bb
+++ b/recipes-musicians/gmidimonitor/gmidimonitor_3.6.bb
@@ -1,5 +1,5 @@
 SUMMARY = "GTK+ application that shows MIDI events"
-LICENSE = "LGPLv2 & PD"
+LICENSE = "LGPL-2.0-only & PD"
 LIC_FILES_CHKSUM = " \
     file://COPYING;md5=f1e8b3e96c0abf4e3abb3b0f8e8eaf7f \
     file://COPYING.icon;md5=1d49e879912b1ea962200c42d117ca6c \
diff --git a/recipes-musicians/helm/helm_git.bb b/recipes-musicians/helm/helm_git.bb
index 5b2ebe9..c0227b6 100644
--- a/recipes-musicians/helm/helm_git.bb
+++ b/recipes-musicians/helm/helm_git.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Helm - a free polyphonic synth with lots of modulation"
 HOMEPAGE = "http://tytel.org/helm/"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
 
 inherit dos2unix pkgconfig qemu-ext-musicians features_check gtk-icon-cache pack_audio_plugins mime-xdg
diff --git a/recipes-musicians/hermann/guitarix.bb b/recipes-musicians/hermann/guitarix.bb
index d85fc6b..8d24b03 100644
--- a/recipes-musicians/hermann/guitarix.bb
+++ b/recipes-musicians/hermann/guitarix.bb
@@ -1,6 +1,6 @@
 SUMMARY = "A virtual guitar amplifier"
 HOMEPAGE = "http://guitarix.org/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=384f45fb7968a0fe30622ce6160d3b69"
 
 SRC_URI = " \
diff --git a/recipes-musicians/hermann/gxplugins.lv2.bb b/recipes-musicians/hermann/gxplugins.lv2.bb
index 4c92e85..d40c304 100644
--- a/recipes-musicians/hermann/gxplugins.lv2.bb
+++ b/recipes-musicians/hermann/gxplugins.lv2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "A set of extra lv2 plugins from the guitarix project"
 HOMEPAGE = "https://github.com/brummer10/GxPlugins.lv2"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=84dcc94da3adb52b53ae4fa38fe49e5d"
 
 SRC_URI = "gitsm://github.com/brummer10/GxPlugins.lv2.git;branch=master;protocol=https"
diff --git a/recipes-musicians/hermann/mamba.bb b/recipes-musicians/hermann/mamba.bb
index f5c5faf..c17797b 100644
--- a/recipes-musicians/hermann/mamba.bb
+++ b/recipes-musicians/hermann/mamba.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Virtual Midi Keyboard for Jack Audio Connection Kit"
 HOMEPAGE = "https://github.com/brummer10/Mamba"
-LICENSE = "BSD-0-Clause"
+LICENSE = "0BSD"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=1a396d84ed72b4a017f02f5c5d1eaafe"
 
 SRC_URI = "gitsm://github.com/brummer10/Mamba.git;branch=master;protocol=https"
diff --git a/recipes-musicians/hydrogen/hydrogen.bb b/recipes-musicians/hydrogen/hydrogen.bb
index cea2955..bc438dc 100644
--- a/recipes-musicians/hydrogen/hydrogen.bb
+++ b/recipes-musicians/hydrogen/hydrogen.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Hydrogen is an advanced drum machine for GNU/Linux"
 HOMEPAGE = "http://www.hydrogen-music.org"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=393a5ca445f6965873eca0259a17f833"
 
 # Note for LADSPA: If I read cmakeFindLadspa.cmake correctly, LASPA plugins
diff --git a/recipes-musicians/infamousplugins/infamousplugins.bb b/recipes-musicians/infamousplugins/infamousplugins.bb
index f44233f..1d1a19f 100644
--- a/recipes-musicians/infamousplugins/infamousplugins.bb
+++ b/recipes-musicians/infamousplugins/infamousplugins.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Audio plugins in the LV2 format"
 HOMEPAGE = "http://ssj71.github.io/infamousPlugins/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=94d55d512a9ba36caa9b7df079bae19f"
 
 DEPENDS += " \
diff --git a/recipes-musicians/ir.lv2/ir.lv2.inc b/recipes-musicians/ir.lv2/ir.lv2.inc
index 032a2a6..fbf6276 100644
--- a/recipes-musicians/ir.lv2/ir.lv2.inc
+++ b/recipes-musicians/ir.lv2/ir.lv2.inc
@@ -1,5 +1,5 @@
 HOMEPAGE = "http://tomszilagyi.github.io/plugins/ir.lv2/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263"
 
 inherit pkgconfig
diff --git a/recipes-musicians/kokkinizita/clthreads_2.4.2.bb b/recipes-musicians/kokkinizita/clthreads_2.4.2.bb
index a20cbc1..383628c 100644
--- a/recipes-musicians/kokkinizita/clthreads_2.4.2.bb
+++ b/recipes-musicians/kokkinizita/clthreads_2.4.2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "C++ wrapper library around the POSIX threads API"
 HOMEPAGE = "http://kokkinizita.linuxaudio.org/linuxaudio/"
-LICENSE = "LGPLv2.1"
+LICENSE = "LGPL-2.1-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=fbc093901857fcd118f065f900982c24"
 
 DEPENDS = "ldconfig-native"
diff --git a/recipes-musicians/kokkinizita/clxclient_3.9.2.bb b/recipes-musicians/kokkinizita/clxclient_3.9.2.bb
index c165c18..09cb658 100644
--- a/recipes-musicians/kokkinizita/clxclient_3.9.2.bb
+++ b/recipes-musicians/kokkinizita/clxclient_3.9.2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "C++ wrapper library around the X Window System API"
 HOMEPAGE = "http://kokkinizita.linuxaudio.org/linuxaudio/"
-LICENSE = "LGPLv2.1"
+LICENSE = "LGPL-2.1-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=fbc093901857fcd118f065f900982c24"
 
 inherit pkgconfig features_check
diff --git a/recipes-musicians/kokkinizita/zita-convolver_4.0.3.bb b/recipes-musicians/kokkinizita/zita-convolver_4.0.3.bb
index ffdca75..af39aa1 100644
--- a/recipes-musicians/kokkinizita/zita-convolver_4.0.3.bb
+++ b/recipes-musicians/kokkinizita/zita-convolver_4.0.3.bb
@@ -1,6 +1,6 @@
 SUMMARY = "A fast, partitioned convolution engine library"
 HOMEPAGE = "http://kokkinizita.linuxaudio.org/linuxaudio/"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
 
 inherit manpages
diff --git a/recipes-musicians/kokkinizita/zita-resampler_1.6.2.bb b/recipes-musicians/kokkinizita/zita-resampler_1.6.2.bb
index a48332d..7a82652 100644
--- a/recipes-musicians/kokkinizita/zita-resampler_1.6.2.bb
+++ b/recipes-musicians/kokkinizita/zita-resampler_1.6.2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "A C++ library for resampling audio signals"
 HOMEPAGE = "http://kokkinizita.linuxaudio.org/linuxaudio/"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
 
 inherit manpages
diff --git a/recipes-musicians/kushview/kushview-element.bb b/recipes-musicians/kushview/kushview-element.bb
index 0b3cff9..4eee282 100644
--- a/recipes-musicians/kushview/kushview-element.bb
+++ b/recipes-musicians/kushview/kushview-element.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Element Audio Plugin Host"
 HOMEPAGE = "https://kushview.net/element/"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=1ebbd3e34237af26da5dc08a4e440464"
 
 inherit waf gtk-icon-cache pkgconfig features_check
diff --git a/recipes-musicians/ladspa/ladspa-sdk_1.13.bb b/recipes-musicians/ladspa/ladspa-sdk_1.13.bb
index 5e79b45..ba76807 100644
--- a/recipes-musicians/ladspa/ladspa-sdk_1.13.bb
+++ b/recipes-musicians/ladspa/ladspa-sdk_1.13.bb
@@ -1,5 +1,5 @@
 SUMMARY = "Linux Audio Developer's Simple Plug-in API, examples and tools"
-LICENSE = "LGPLv2+"
+LICENSE = "LGPL-2.0-or-later"
 LIC_FILES_CHKSUM = "file://doc/COPYING;md5=6fd75d9d2ba6776dcdc4d5257eeab3dd"
 
 DEPENDS += " \
diff --git a/recipes-musicians/liblo/liblo.bb b/recipes-musicians/liblo/liblo.bb
index 2d9de94..772d1f7 100644
--- a/recipes-musicians/liblo/liblo.bb
+++ b/recipes-musicians/liblo/liblo.bb
@@ -1,6 +1,6 @@
 SUMMARY = "liblo is an implementation of the Open Sound Control protocol"
 HOMEPAGE = "http://liblo.sourceforge.net"
-LICENSE = "LGPLv2.1"
+LICENSE = "LGPL-2.1-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=fbc093901857fcd118f065f900982c24"
 
 inherit autotools pkgconfig
diff --git a/recipes-musicians/libmp4v2/libmp4v2_git.bb b/recipes-musicians/libmp4v2/libmp4v2_git.bb
index 139e74f..3b54054 100644
--- a/recipes-musicians/libmp4v2/libmp4v2_git.bb
+++ b/recipes-musicians/libmp4v2/libmp4v2_git.bb
@@ -1,6 +1,6 @@
 SUMMARY = "The MP4v2 library provides an API to create and modify mp4 files"
 HOMEPAGE = "https://github.com/sergiomb2/libmp4v2/wiki"
-LICENSE = "MPLv1.1"
+LICENSE = "MPL-1.1"
 LIC_FILES_CHKSUM = "file://COPYING;md5=eb3014b036b6d2151d944aef6a84c36f"
 
 inherit autotools pkgconfig
diff --git a/recipes-musicians/libxmp/libxmp_4.4.1.bb b/recipes-musicians/libxmp/libxmp_4.4.1.bb
index d57f270..e313ac4 100644
--- a/recipes-musicians/libxmp/libxmp_4.4.1.bb
+++ b/recipes-musicians/libxmp/libxmp_4.4.1.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Extended Module Player Library"
 HOMEPAGE = "http://xmp.sourceforge.net/"
-LICENSE = "LGPLv2.1"
+LICENSE = "LGPL-2.1-only"
 LIC_FILES_CHKSUM = "file://README;beginline=59;md5=9cee4cd08e9762f4a8fda61cb39d430d"
 
 inherit autotools-brokensep pkgconfig
diff --git a/recipes-musicians/linuxaudio/new-session-manager.bb b/recipes-musicians/linuxaudio/new-session-manager.bb
index 2cc3736..bcd7e67 100644
--- a/recipes-musicians/linuxaudio/new-session-manager.bb
+++ b/recipes-musicians/linuxaudio/new-session-manager.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Community version of Non Session Manager"
 HOMEPAGE = "https://linuxaudio.github.io/new-session-manager/"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=1ebbd3e34237af26da5dc08a4e440464"
 
 DEPENDS = " \
diff --git a/recipes-musicians/linuxsampler/gigedit_1.1.1.bb b/recipes-musicians/linuxsampler/gigedit_1.1.1.bb
index 1cface9..3aa5b1d 100644
--- a/recipes-musicians/linuxsampler/gigedit_1.1.1.bb
+++ b/recipes-musicians/linuxsampler/gigedit_1.1.1.bb
@@ -1,6 +1,6 @@
 SUMMARY = "An instrument editor for gig files"
 HOMEPAGE = "http://www.linuxsampler.org"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = " \
     file://COPYING;md5=751419260aa954499f7abaabaa882bbe \
 "
diff --git a/recipes-musicians/linuxsampler/libgig_4.2.0.bb b/recipes-musicians/linuxsampler/libgig_4.2.0.bb
index 4ef2c8d..7dc2161 100644
--- a/recipes-musicians/linuxsampler/libgig_4.2.0.bb
+++ b/recipes-musicians/linuxsampler/libgig_4.2.0.bb
@@ -1,6 +1,6 @@
 SUMMARY = "GigaStudio/Gigasampler, DLS, AKAI, SoundFont, KORG file access library"
 HOMEPAGE = "http://www.linuxsampler.org"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = " \
     file://COPYING;md5=526c29250ae72f6933cdc01414b9943b \
 "
diff --git a/recipes-musicians/linuxsampler/liblscp_0.6.0.bb b/recipes-musicians/linuxsampler/liblscp_0.6.0.bb
index e28b148..d7ccb79 100644
--- a/recipes-musicians/linuxsampler/liblscp_0.6.0.bb
+++ b/recipes-musicians/linuxsampler/liblscp_0.6.0.bb
@@ -1,6 +1,6 @@
 SUMMARY = "LinuxSampler Control Protocol (LSCP) wrapper C library"
 HOMEPAGE = "http://www.linuxsampler.org"
-LICENSE = "LGPLv2.1"
+LICENSE = "LGPL-2.1-only"
 LIC_FILES_CHKSUM = " \
     file://COPYING;md5=fbc093901857fcd118f065f900982c24 \
 "
diff --git a/recipes-musicians/linuxsampler/linuxsampler_2.1.1.bb b/recipes-musicians/linuxsampler/linuxsampler_2.1.1.bb
index 08a9add..ecd9dd4 100644
--- a/recipes-musicians/linuxsampler/linuxsampler_2.1.1.bb
+++ b/recipes-musicians/linuxsampler/linuxsampler_2.1.1.bb
@@ -1,6 +1,6 @@
 SUMMARY = "LinuxSampler - modular, streaming capable sampler"
 HOMEPAGE = "http://www.linuxsampler.org"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = " \
     file://COPYING;md5=0640e0c29fde7334746a009461544030 \
 "
diff --git a/recipes-musicians/lmms/lmms.inc b/recipes-musicians/lmms/lmms.inc
index 7196db0..07f4717 100644
--- a/recipes-musicians/lmms/lmms.inc
+++ b/recipes-musicians/lmms/lmms.inc
@@ -1,6 +1,6 @@
 SUMMARY = "Qt based sequencer"
 HOMEPAGE = "https://lmms.io"
-LICENSE = "GPLv2+"
+LICENSE = "GPL-2.0-or-later"
 LIC_FILES_CHKSUM = "file://LICENSE.txt;md5=751419260aa954499f7abaabaa882bbe"
 
 SRC_URI = "gitsm://github.com/LMMS/${BPN}.git;branch=stable-1.2;protocol=https"
diff --git a/recipes-musicians/lrdf/lrdf.bb b/recipes-musicians/lrdf/lrdf.bb
index 9b0d64d..b0f0d7c 100644
--- a/recipes-musicians/lrdf/lrdf.bb
+++ b/recipes-musicians/lrdf/lrdf.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Lightweight RDF"
 DESCRIPTION = "A lightweight RDF library for accessing plugin metadata in the LADSPA plugin system"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=94d55d512a9ba36caa9b7df079bae19f"
 
 inherit autotools pkgconfig
diff --git a/recipes-musicians/mixxx/mixxx.bb b/recipes-musicians/mixxx/mixxx.bb
index c7cc8d5..9700d0f 100644
--- a/recipes-musicians/mixxx/mixxx.bb
+++ b/recipes-musicians/mixxx/mixxx.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Qt based DJ software"
 HOMEPAGE = "http://mixxx.org/"
-LICENSE = "GPLv2+"
+LICENSE = "GPL-2.0-or-later"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=b3ce5d18079fa79804cd62469a51d176"
 
 inherit cmake_qt5 gtk-icon-cache features_check
diff --git a/recipes-musicians/muse/muse.bb b/recipes-musicians/muse/muse.bb
index ae45d5f..7799c14 100644
--- a/recipes-musicians/muse/muse.bb
+++ b/recipes-musicians/muse/muse.bb
@@ -1,6 +1,6 @@
 SUMMARY = "MusE is a digital audio workstation"
 HOMEPAGE = "http://muse-sequencer.org/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://src/COPYING;md5=328283dc167a7b37ffdc59f524a7fc4d"
 
 DEPENDS += " \
diff --git a/recipes-musicians/musescore/musescore.bb b/recipes-musicians/musescore/musescore.bb
index aba1387..31bd1ce 100644
--- a/recipes-musicians/musescore/musescore.bb
+++ b/recipes-musicians/musescore/musescore.bb
@@ -1,6 +1,6 @@
 SUMMARY = "MuseScore is an open source and free music notation software"
 HOMEPAGE = "https://musescore.org"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE.GPL;md5=ef318be74ef69ee7f919c9ebb45b6e21"
 
 python() {
diff --git a/recipes-musicians/nekobee/nekobee.bb b/recipes-musicians/nekobee/nekobee.bb
index 9c43ce4..c87e948 100644
--- a/recipes-musicians/nekobee/nekobee.bb
+++ b/recipes-musicians/nekobee/nekobee.bb
@@ -1,6 +1,6 @@
 SUMMARY = "A softsynth recreation of a classic single-oscillator bass monosynth"
 HOMEPAGE = "https://github.com/gordonjcp/nekobee"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=94d55d512a9ba36caa9b7df079bae19f"
 
 inherit wafold pkgconfig python3native
diff --git a/recipes-musicians/ninjas2/ninjas2.bb b/recipes-musicians/ninjas2/ninjas2.bb
index 7e11161..1adbea3 100644
--- a/recipes-musicians/ninjas2/ninjas2.bb
+++ b/recipes-musicians/ninjas2/ninjas2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Rewrite of Ninjas sample slicer"
 HOMEPAGE = "https://github.com/rghvdberg/ninjas2"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=97a733ff40c50b4bfc74471e1f6ca88b"
 
 DEPENDS = " \
diff --git a/recipes-musicians/noise-repellent/noise-repellent_git.bb b/recipes-musicians/noise-repellent/noise-repellent_git.bb
index b7af462..6fe3b5d 100644
--- a/recipes-musicians/noise-repellent/noise-repellent_git.bb
+++ b/recipes-musicians/noise-repellent/noise-repellent_git.bb
@@ -1,6 +1,6 @@
 SUMMARY = "An lv2 plugin for broadband noise reduction"
 HOMEPAGE = "https://github.com/lucianodato/noise-repellent"
-LICENSE = "LGPLv3"
+LICENSE = "LGPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=e6a600fd5e1d9cbde2d983680233ad02"
 
 inherit meson pkgconfig gtk-icon-cache
diff --git a/recipes-musicians/openav/arty-fx.bb b/recipes-musicians/openav/arty-fx.bb
index 59bb6bc..7340fcf 100644
--- a/recipes-musicians/openav/arty-fx.bb
+++ b/recipes-musicians/openav/arty-fx.bb
@@ -1,6 +1,6 @@
 SUMMARY = "ArtyFX is a plugin bundle of artistic real-time audio effects"
 HOMEPAGE = "http://openavproductions.com/artyfx/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=4cc91856b08b094b4f406a29dc61db21"
 
 inherit cmake pkgconfig
diff --git a/recipes-musicians/openav/fabla.bb b/recipes-musicians/openav/fabla.bb
index 7d9e782..2be4bfd 100644
--- a/recipes-musicians/openav/fabla.bb
+++ b/recipes-musicians/openav/fabla.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Fabla is an open-source LV2 drum sampler plugin instrument"
 HOMEPAGE = "http://openavproductions.com/fabla/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=4cc91856b08b094b4f406a29dc61db21"
 
 inherit cmake pkgconfig
diff --git a/recipes-musicians/openav/luppp.bb b/recipes-musicians/openav/luppp.bb
index 76ae482..6dddcbb 100644
--- a/recipes-musicians/openav/luppp.bb
+++ b/recipes-musicians/openav/luppp.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Luppp is a music creation tool, intended for live use"
 HOMEPAGE = "http://openavproductions.com/luppp/"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=d32239bcb673463ab874e80d47fae504"
 
 inherit cmake pkgconfig gtk-icon-cache
diff --git a/recipes-musicians/openav/openav-presets.bb b/recipes-musicians/openav/openav-presets.bb
index 624132a..6fc6a0f 100644
--- a/recipes-musicians/openav/openav-presets.bb
+++ b/recipes-musicians/openav/openav-presets.bb
@@ -1,5 +1,5 @@
 SUMMARY = "Presets for various OpenAV projects"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=d32239bcb673463ab874e80d47fae504"
 
 inherit allarch
diff --git a/recipes-musicians/openav/sorcer.bb b/recipes-musicians/openav/sorcer.bb
index 7521183..a0b46c9 100644
--- a/recipes-musicians/openav/sorcer.bb
+++ b/recipes-musicians/openav/sorcer.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Sorcer is a polyphonic wavetable synth LV2 plugin"
 HOMEPAGE = "http://openavproductions.com/sorcer"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=d32239bcb673463ab874e80d47fae504"
 
 inherit cmake pkgconfig
diff --git a/recipes-musicians/polyphone/polyphone.bb b/recipes-musicians/polyphone/polyphone.bb
index c52c61f..6e25c45 100644
--- a/recipes-musicians/polyphone/polyphone.bb
+++ b/recipes-musicians/polyphone/polyphone.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Soundfont editor"
 HOMEPAGE = "http://polyphone-soundfonts.com/en/"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://main.cpp;beginline=6;endline=18;md5=11e8b245e7c8a15dafd52bc856ef3ff1"
 
 inherit qmake5 pkgconfig gtk-icon-cache mime mime-xdg dos2unix
diff --git a/recipes-musicians/projectm/projectm_git.bb b/recipes-musicians/projectm/projectm_git.bb
index 2f83862..383561f 100644
--- a/recipes-musicians/projectm/projectm_git.bb
+++ b/recipes-musicians/projectm/projectm_git.bb
@@ -1,6 +1,6 @@
 SUMMARY = "projectM is a MilkDrop compatible opensource music visualizer"
 HOMEPAGE = "http://projectm-visualizer.github.io/projectm"
-LICENSE = "LGPLv2.1"
+LICENSE = "LGPL-2.1-only"
 LIC_FILES_CHKSUM = "file://LICENSE.txt;md5=26f590fe167311fe2a5a7ce0b3e71900"
 
 inherit autotools-brokensep pkgconfig features_check
diff --git a/recipes-musicians/qm-dsp/qm-dsp_1.7.1.bb b/recipes-musicians/qm-dsp/qm-dsp_1.7.1.bb
index 81cf8e3..7382c82 100644
--- a/recipes-musicians/qm-dsp/qm-dsp_1.7.1.bb
+++ b/recipes-musicians/qm-dsp/qm-dsp_1.7.1.bb
@@ -1,6 +1,6 @@
 SUMMARY = "A C++ library of functions for DSP and Music Informatics purposes"
 HOMEPAGE = "https://code.soundsoftware.ac.uk/projects/qm-dsp"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=cbbd794e2a0a289b9dfcc9f513d1996e"
 
 
diff --git a/recipes-musicians/qmidiarp/qmidiarp_git.bb b/recipes-musicians/qmidiarp/qmidiarp_git.bb
index 34e4600..85d3624 100644
--- a/recipes-musicians/qmidiarp/qmidiarp_git.bb
+++ b/recipes-musicians/qmidiarp/qmidiarp_git.bb
@@ -1,6 +1,6 @@
 SUMMARY = "A Linux MIDI Arpeggiator, Step Sequencer and LFO"
 HOMEPAGE = "http://qmidiarp.sourceforge.net"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=cbbd794e2a0a289b9dfcc9f513d1996e"
 
 DEPENDS += " \
diff --git a/recipes-musicians/qmmp/qmmp_1.5.1.bb b/recipes-musicians/qmmp/qmmp_1.5.1.bb
index 407bab4..332d47d 100644
--- a/recipes-musicians/qmmp/qmmp_1.5.1.bb
+++ b/recipes-musicians/qmmp/qmmp_1.5.1.bb
@@ -1,5 +1,5 @@
 SUMMARY = "Qt based audio-player"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263"
 
 # Note: to support projectm, qtbase must be configured with desktop gl / gles
diff --git a/recipes-musicians/remid.lv2/remid.lv2.bb b/recipes-musicians/remid.lv2/remid.lv2.bb
index 5649a9f..0261217 100644
--- a/recipes-musicians/remid.lv2/remid.lv2.bb
+++ b/recipes-musicians/remid.lv2/remid.lv2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "LV2 port of SID 6581 chip used in the Commodore 64"
 HOMEPAGE = "https://github.com/ssj71/reMID.lv2"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=0636e73ff0215e8d672dc4c32c317bb3"
 
 DEPENDS += " \
diff --git a/recipes-musicians/rncbc/drumkv1.bb b/recipes-musicians/rncbc/drumkv1.bb
index 6507aee..e4433a4 100644
--- a/recipes-musicians/rncbc/drumkv1.bb
+++ b/recipes-musicians/rncbc/drumkv1.bb
@@ -1,6 +1,6 @@
 SUMMARY = "An old-school drum kit sampler"
 HOMEPAGE = "http://drumkv1.sourceforge.net/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=751419260aa954499f7abaabaa882bbe"
 
 DEPENDS += " \
diff --git a/recipes-musicians/rncbc/padthv1.bb b/recipes-musicians/rncbc/padthv1.bb
index 12f872a..1288a77 100644
--- a/recipes-musicians/rncbc/padthv1.bb
+++ b/recipes-musicians/rncbc/padthv1.bb
@@ -1,6 +1,6 @@
 SUMMARY = "An old-school polyphonic additive synthesizer"
 HOMEPAGE = "http://padthv1.sourceforge.net/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=751419260aa954499f7abaabaa882bbe"
 
 DEPENDS += " \
diff --git a/recipes-musicians/rncbc/qjackctl.bb b/recipes-musicians/rncbc/qjackctl.bb
index 09e78ef..43b9dc0 100644
--- a/recipes-musicians/rncbc/qjackctl.bb
+++ b/recipes-musicians/rncbc/qjackctl.bb
@@ -1,6 +1,6 @@
 SUMMARY = "JACK Audio Connection Kit - Qt GUI Interface"
 HOMEPAGE = "http://qjackctl.sourceforge.net"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=751419260aa954499f7abaabaa882bbe"
 
 DEPENDS += " \
diff --git a/recipes-musicians/rncbc/qmidictl.bb b/recipes-musicians/rncbc/qmidictl.bb
index ae6bd0f..160d96f 100644
--- a/recipes-musicians/rncbc/qmidictl.bb
+++ b/recipes-musicians/rncbc/qmidictl.bb
@@ -1,6 +1,6 @@
 SUMMARY = "A MIDI Network Gateway via UDP/IP Multicast"
 HOMEPAGE = "http://qmidinet.sourceforge.net"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=751419260aa954499f7abaabaa882bbe"
 
 DEPENDS += " \
diff --git a/recipes-musicians/rncbc/qmidinet.bb b/recipes-musicians/rncbc/qmidinet.bb
index 83a013e..1db1aa6 100644
--- a/recipes-musicians/rncbc/qmidinet.bb
+++ b/recipes-musicians/rncbc/qmidinet.bb
@@ -1,6 +1,6 @@
 SUMMARY = "JA MIDI Remote Controller via UDP/IP Multicast"
 HOMEPAGE = "http://qmidictl.sourceforge.net"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=751419260aa954499f7abaabaa882bbe"
 
 DEPENDS += " \
diff --git a/recipes-musicians/rncbc/qsampler.bb b/recipes-musicians/rncbc/qsampler.bb
index d901979..8f7e48b 100644
--- a/recipes-musicians/rncbc/qsampler.bb
+++ b/recipes-musicians/rncbc/qsampler.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Qsampler is a LinuxSampler GUI front-end application"
 HOMEPAGE = "http://qsampler.sourceforge.net"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=751419260aa954499f7abaabaa882bbe"
 
 DEPENDS += " \
diff --git a/recipes-musicians/rncbc/qsynth.bb b/recipes-musicians/rncbc/qsynth.bb
index 9a22495..2d945c7 100644
--- a/recipes-musicians/rncbc/qsynth.bb
+++ b/recipes-musicians/rncbc/qsynth.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Qt GUI Interface for FluidSynth"
 HOMEPAGE = "https://qsynth.sourceforge.io/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=751419260aa954499f7abaabaa882bbe"
 
 DEPENDS += " \
diff --git a/recipes-musicians/rncbc/qtractor.bb b/recipes-musicians/rncbc/qtractor.bb
index 5dd5659..7fc94a1 100644
--- a/recipes-musicians/rncbc/qtractor.bb
+++ b/recipes-musicians/rncbc/qtractor.bb
@@ -1,6 +1,6 @@
 SUMMARY = "An Audio/MIDI multi-track sequencer"
 HOMEPAGE = "http://qtractor.sourceforge.net/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=751419260aa954499f7abaabaa882bbe"
 
 DEPENDS += " \
diff --git a/recipes-musicians/rncbc/samplv1.bb b/recipes-musicians/rncbc/samplv1.bb
index 72e2834..f0adc32 100644
--- a/recipes-musicians/rncbc/samplv1.bb
+++ b/recipes-musicians/rncbc/samplv1.bb
@@ -1,6 +1,6 @@
 SUMMARY = "An old-school polyphonic sampler"
 HOMEPAGE = "http://samplv1.sourceforge.net"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=751419260aa954499f7abaabaa882bbe"
 
 DEPENDS += " \
diff --git a/recipes-musicians/rncbc/synthv1.bb b/recipes-musicians/rncbc/synthv1.bb
index 21ef599..6ed2526 100644
--- a/recipes-musicians/rncbc/synthv1.bb
+++ b/recipes-musicians/rncbc/synthv1.bb
@@ -1,6 +1,6 @@
 SUMMARY = "An old-school all-digital 4-oscillator subtractive polyphonic synthesizer"
 HOMEPAGE = "http://synthv1.sourceforge.net/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=751419260aa954499f7abaabaa882bbe"
 
 DEPENDS += " \
diff --git a/recipes-musicians/rosegarden/rosegarden.bb b/recipes-musicians/rosegarden/rosegarden.bb
index 4058efc..345f20f 100644
--- a/recipes-musicians/rosegarden/rosegarden.bb
+++ b/recipes-musicians/rosegarden/rosegarden.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Rosegarden is a music composition and editing environment"
 HOMEPAGE = "http://www.rosegardenmusic.com/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=b33ec9f109e9943af917779ba6ec522e"
 
 DEPENDS += " \
diff --git a/recipes-musicians/rubberband/rubberband_1.9.2.bb b/recipes-musicians/rubberband/rubberband_1.9.2.bb
index a55e5a9..1765b72 100644
--- a/recipes-musicians/rubberband/rubberband_1.9.2.bb
+++ b/recipes-musicians/rubberband/rubberband_1.9.2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Rubber Band Library library for audio time-stretching and pitch-shifting"
 HOMEPAGE = "http://breakfastquay.com/rubberband/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=28f6289fba0406b8f491e9b2d5767488"
 
 inherit meson pkgconfig
diff --git a/recipes-musicians/setbfree/setbfree_git.bb b/recipes-musicians/setbfree/setbfree_git.bb
index f0728f1..632219d 100644
--- a/recipes-musicians/setbfree/setbfree_git.bb
+++ b/recipes-musicians/setbfree/setbfree_git.bb
@@ -1,6 +1,6 @@
 SUMMARY = "A DSP Tonewheel Organ emulator"
 HOMEPAGE = "http://setbfree.org/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=4641e94ec96f98fabc56ff9cc48be14b"
 
 inherit pkgconfig gtk-icon-cache
diff --git a/recipes-musicians/sjaehn/bangr.bb b/recipes-musicians/sjaehn/bangr.bb
index 71eb346..0485c45 100644
--- a/recipes-musicians/sjaehn/bangr.bb
+++ b/recipes-musicians/sjaehn/bangr.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Multi-dimensional dynamically distorted staggered multi-bandpass LV2 plugin"
 HOMEPAGE = "https://github.com/sjaehn/BAngr"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=d32239bcb673463ab874e80d47fae504"
 
 REQUIRED_DISTRO_FEATURES = "x11"
diff --git a/recipes-musicians/sjaehn/bchoppr.bb b/recipes-musicians/sjaehn/bchoppr.bb
index 1f57a7a..a5b2a11 100644
--- a/recipes-musicians/sjaehn/bchoppr.bb
+++ b/recipes-musicians/sjaehn/bchoppr.bb
@@ -1,6 +1,6 @@
 SUMMARY = "An audio stream chopping LV2 plugin"
 HOMEPAGE = "https://github.com/sjaehn/BChoppr"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=d32239bcb673463ab874e80d47fae504"
 
 REQUIRED_DISTRO_FEATURES = "x11"
diff --git a/recipes-musicians/sjaehn/bjumblr.bb b/recipes-musicians/sjaehn/bjumblr.bb
index 918acb8..1a540b4 100644
--- a/recipes-musicians/sjaehn/bjumblr.bb
+++ b/recipes-musicians/sjaehn/bjumblr.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Pattern-controlled audio stream / sample re-sequencer LV2 plugin"
 HOMEPAGE = "https://github.com/sjaehn/BJumblr"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=1ebbd3e34237af26da5dc08a4e440464"
 
 REQUIRED_DISTRO_FEATURES = "x11"
diff --git a/recipes-musicians/sjaehn/boops.bb b/recipes-musicians/sjaehn/boops.bb
index f783104..2f65439 100644
--- a/recipes-musicians/sjaehn/boops.bb
+++ b/recipes-musicians/sjaehn/boops.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Audio glitch effect sequencer LV2 plugin"
 HOMEPAGE = "https://github.com/sjaehn/BOops"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=d32239bcb673463ab874e80d47fae504"
 
 REQUIRED_DISTRO_FEATURES = "x11"
diff --git a/recipes-musicians/sjaehn/bschaffl.bb b/recipes-musicians/sjaehn/bschaffl.bb
index ccd04bd..000dce0 100644
--- a/recipes-musicians/sjaehn/bschaffl.bb
+++ b/recipes-musicians/sjaehn/bschaffl.bb
@@ -1,7 +1,7 @@
 SUMMARY = "Pattern-controlled MIDI amp & time stretch plugin"
 DESCRIPTION = "Pattern-controlled MIDI amp & time stretch plugin to produce shuffle / swing effects"
 HOMEPAGE = "https://github.com/sjaehn/BSchaffl"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=d32239bcb673463ab874e80d47fae504"
 
 REQUIRED_DISTRO_FEATURES = "x11"
diff --git a/recipes-musicians/sjaehn/bsequencer.bb b/recipes-musicians/sjaehn/bsequencer.bb
index 54c79d3..3d649d6 100644
--- a/recipes-musicians/sjaehn/bsequencer.bb
+++ b/recipes-musicians/sjaehn/bsequencer.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Multi channel MIDI step sequencer LV2 plugin with a variable matrix"
 HOMEPAGE = "https://github.com/sjaehn/BSEQuencer"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=1ebbd3e34237af26da5dc08a4e440464"
 
 REQUIRED_DISTRO_FEATURES = "x11"
diff --git a/recipes-musicians/sjaehn/bshapr.bb b/recipes-musicians/sjaehn/bshapr.bb
index 1980fad..335a384 100644
--- a/recipes-musicians/sjaehn/bshapr.bb
+++ b/recipes-musicians/sjaehn/bshapr.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Beat / envelope shaper LV2 plugin"
 HOMEPAGE = "https://github.com/sjaehn/BShapr"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=d32239bcb673463ab874e80d47fae504"
 
 REQUIRED_DISTRO_FEATURES = "x11"
diff --git a/recipes-musicians/sjaehn/bslizr.bb b/recipes-musicians/sjaehn/bslizr.bb
index 9581b45..e3b98d0 100644
--- a/recipes-musicians/sjaehn/bslizr.bb
+++ b/recipes-musicians/sjaehn/bslizr.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Sequenced audio slicing effect LV2 plugin"
 HOMEPAGE = "https://github.com/sjaehn/BSlizr"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=d32239bcb673463ab874e80d47fae504"
 
 REQUIRED_DISTRO_FEATURES = "x11"
diff --git a/recipes-musicians/sjaehn/bspacr.bb b/recipes-musicians/sjaehn/bspacr.bb
index fa4c733..4bcc018 100644
--- a/recipes-musicians/sjaehn/bspacr.bb
+++ b/recipes-musicians/sjaehn/bspacr.bb
@@ -1,6 +1,6 @@
 SUMMARY = "No loss LV2 sound effect plugin"
 HOMEPAGE = "https://github.com/sjaehn/BSpacr"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=1ebbd3e34237af26da5dc08a4e440464"
 
 REQUIRED_DISTRO_FEATURES = "x11"
diff --git a/recipes-musicians/smbolton/fluidsynth-dssi_2.0.0.bb b/recipes-musicians/smbolton/fluidsynth-dssi_2.0.0.bb
index 4a88eaa..05f12bb 100644
--- a/recipes-musicians/smbolton/fluidsynth-dssi_2.0.0.bb
+++ b/recipes-musicians/smbolton/fluidsynth-dssi_2.0.0.bb
@@ -1,6 +1,6 @@
 SUMMARY = "A wrapper for the FluidSynth, allowing it to function as a DSSI plugin"
 HOMEPAGE = "http://dssi.sourceforge.net/download.html#FluidSynth-DSSI"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=751419260aa954499f7abaabaa882bbe"
 
 inherit autotools pkgconfig gtk-icon-cache
diff --git a/recipes-musicians/smbolton/hexter.bb b/recipes-musicians/smbolton/hexter.bb
index 386f1aa..739e216 100644
--- a/recipes-musicians/smbolton/hexter.bb
+++ b/recipes-musicians/smbolton/hexter.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Yamaha DX7 modeling DSSI plugin"
 HOMEPAGE = "http://dssi.sourceforge.net/hexter.html"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=751419260aa954499f7abaabaa882bbe"
 
 inherit autotools pkgconfig gtk-icon-cache
diff --git a/recipes-musicians/smbolton/whysynth_20170701.bb b/recipes-musicians/smbolton/whysynth_20170701.bb
index 23d45b8..4bf0a46 100644
--- a/recipes-musicians/smbolton/whysynth_20170701.bb
+++ b/recipes-musicians/smbolton/whysynth_20170701.bb
@@ -1,6 +1,6 @@
 SUMMARY = "WhySynth — A DSSI Softsynth Plugin"
 HOMEPAGE = "http://smbolton.com/whysynth.html"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=751419260aa954499f7abaabaa882bbe"
 
 inherit autotools pkgconfig gtk-icon-cache
diff --git a/recipes-musicians/smbolton/xsynth-dssi_0.9.4.bb b/recipes-musicians/smbolton/xsynth-dssi_0.9.4.bb
index c762bc0..d828b6d 100644
--- a/recipes-musicians/smbolton/xsynth-dssi_0.9.4.bb
+++ b/recipes-musicians/smbolton/xsynth-dssi_0.9.4.bb
@@ -1,6 +1,6 @@
 SUMMARY = "A classic-analog style software synthesizer plugin"
 HOMEPAGE = "http://dssi.sourceforge.net/download.html#Xsynth-DSSI"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=751419260aa954499f7abaabaa882bbe"
 
 inherit autotools pkgconfig gtk-icon-cache
diff --git a/recipes-musicians/soundfont-collection/sf-tools_git.bb b/recipes-musicians/soundfont-collection/sf-tools_git.bb
index 5548f91..ccbbaa7 100644
--- a/recipes-musicians/soundfont-collection/sf-tools_git.bb
+++ b/recipes-musicians/soundfont-collection/sf-tools_git.bb
@@ -1,5 +1,5 @@
 SUMMARY = "Commandline tools for soundfont analysis and split"
-LICENSE = "GPLv2+"
+LICENSE = "GPL-2.0-or-later"
 LIC_FILES_CHKSUM = " \
     file://LICENSE;md5=75859989545e37968a99b631ef42722e \
 "
diff --git a/recipes-musicians/soundfont-collection/soundfont-collection_0.0.3.bb b/recipes-musicians/soundfont-collection/soundfont-collection_0.0.3.bb
index 7c65a79..70daf59 100644
--- a/recipes-musicians/soundfont-collection/soundfont-collection_0.0.3.bb
+++ b/recipes-musicians/soundfont-collection/soundfont-collection_0.0.3.bb
@@ -1,5 +1,5 @@
 SUMMARY = "A collection of free soundfonts"
-LICENSE = "GPLv2 & MIT & CC-BY-3.0 & CC0-1.0"
+LICENSE = "GPL-2.0-only & MIT & CC-BY-3.0 & CC0-1.0"
 LIC_FILES_CHKSUM = " \
     file://YDP-GrandPiano-SF2-20160804/YDP-GrandPiano-20160804.txt;beginline=6;endline=13;md5=bc4ea1672a4d8fb0b2eb2f95a5d49bf2 \
     file://UprightPianoKW-SF2-20190703/readme.txt;beginline=21;endline=22;md5=b923259da7dc404552b0a300da4afb95 \
diff --git a/recipes-musicians/soundtouch/soundtouch.bb b/recipes-musicians/soundtouch/soundtouch.bb
index 9face01..b24ad6c 100644
--- a/recipes-musicians/soundtouch/soundtouch.bb
+++ b/recipes-musicians/soundtouch/soundtouch.bb
@@ -1,6 +1,6 @@
 SUMMARY = "SoundTouch audio tempo/pitch control library"
 HOMEPAGE = "http://www.surina.net/soundtouch/index.html"
-LICENSE = "LGPLv2.1"
+LICENSE = "LGPL-2.1-only"
 LIC_FILES_CHKSUM = "file://COPYING.TXT;md5=e05877bfa22930262b6cfbe7db2eea24"
 
 inherit cmake pkgconfig gettext
diff --git a/recipes-musicians/soxr/soxr_0.1.3.bb b/recipes-musicians/soxr/soxr_0.1.3.bb
index bb07867..760c8f5 100644
--- a/recipes-musicians/soxr/soxr_0.1.3.bb
+++ b/recipes-musicians/soxr/soxr_0.1.3.bb
@@ -1,6 +1,6 @@
 SUMMARY = "The SoX Resampler library"
 HOMEPAGE = "https://sourceforge.net/projects/soxr/"
-LICENSE = "LGPLv2.1"
+LICENSE = "LGPL-2.1-only"
 LIC_FILES_CHKSUM = "file://LICENCE;md5=1f6605fc6dfe53a780959dfef7061f77"
 
 inherit cmake
diff --git a/recipes-musicians/supercollider/supercollider.bb b/recipes-musicians/supercollider/supercollider.bb
index dd64544..e344993 100644
--- a/recipes-musicians/supercollider/supercollider.bb
+++ b/recipes-musicians/supercollider/supercollider.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Programming language for audio synthesis and algorithmic composition"
 HOMEPAGE = "http://supercollider.github.io/"
-LICENSE = "GPL-3.0"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
 
 SRC_URI = "gitsm://github.com/supercollider/supercollider.git;branch=develop;protocol=https"
diff --git a/recipes-musicians/surge/surge.bb b/recipes-musicians/surge/surge.bb
index dc8c6e4..e32e78e 100644
--- a/recipes-musicians/surge/surge.bb
+++ b/recipes-musicians/surge/surge.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Synthesizer plug-in (previously released as Vember Audio Surge)"
 HOMEPAGE = "https://surge-synthesizer.github.io/"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=79ee739fc097e8ad5582e1d177746365"
 
 DEPENDS += " \
diff --git a/recipes-musicians/tomahawk/tomahawk_git.bb b/recipes-musicians/tomahawk/tomahawk_git.bb
index 898f2c8..29bfbb7 100644
--- a/recipes-musicians/tomahawk/tomahawk_git.bb
+++ b/recipes-musicians/tomahawk/tomahawk_git.bb
@@ -1,5 +1,5 @@
 SUMMARY = "Tomahawk, the multi-source music player"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE.txt;md5=9eef91148a9b14ec7f9df333daebc746"
 
 DEPENDS += " \
diff --git a/recipes-musicians/triceratops/triceratops-lv2_0.3.2.bb b/recipes-musicians/triceratops/triceratops-lv2_0.3.2.bb
index e85b12e..6188f9e 100644
--- a/recipes-musicians/triceratops/triceratops-lv2_0.3.2.bb
+++ b/recipes-musicians/triceratops/triceratops-lv2_0.3.2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Polyphonic synthesizer LV2 plugin"
 HOMEPAGE = "http://thunderox.com/thor/?q=node/2"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
 
 DEPENDS += " \
diff --git a/recipes-musicians/wolf-shaper/wolf-shaper_git.bb b/recipes-musicians/wolf-shaper/wolf-shaper_git.bb
index 93d638b..3f0d67f 100644
--- a/recipes-musicians/wolf-shaper/wolf-shaper_git.bb
+++ b/recipes-musicians/wolf-shaper/wolf-shaper_git.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Wolf Shaper is a waveshaper plugin with a graph editor"
 HOMEPAGE = "https://pdesaulniers.github.io/wolf-shaper/"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=4fe869ee987a340198fb0d54c55c47f1"
 
 DEPENDS = " \
diff --git a/recipes-musicians/wolf-spectrum/wolf-spectrum.bb b/recipes-musicians/wolf-spectrum/wolf-spectrum.bb
index 9516821..dec7919 100644
--- a/recipes-musicians/wolf-spectrum/wolf-spectrum.bb
+++ b/recipes-musicians/wolf-spectrum/wolf-spectrum.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Wolf Spectrum is a free spectrogram plugin"
 HOMEPAGE = "https://github.com/pdesaulniers/wolf-spectrum"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=4fe869ee987a340198fb0d54c55c47f1"
 
 DEPENDS = " \
diff --git a/recipes-musicians/x42/avldrums.lv2.bb b/recipes-musicians/x42/avldrums.lv2.bb
index 205ac18..522e262 100644
--- a/recipes-musicians/x42/avldrums.lv2.bb
+++ b/recipes-musicians/x42/avldrums.lv2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Dedicated AVLDrumkits LV2 Plugin"
 HOMEPAGE = "http://x42-plugins.com/x42/x42-avldrums"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263"
 
 inherit pkgconfig
diff --git a/recipes-musicians/x42/darc.lv2.bb b/recipes-musicians/x42/darc.lv2.bb
index 906954c..c30ab87 100644
--- a/recipes-musicians/x42/darc.lv2.bb
+++ b/recipes-musicians/x42/darc.lv2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Dynamic Audio Range Compressor"
 HOMEPAGE = "https://x42-plugins.com/x42/x42-compressor"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=9eef91148a9b14ec7f9df333daebc746"
 
 inherit pkgconfig
diff --git a/recipes-musicians/x42/dpl.lv2.bb b/recipes-musicians/x42/dpl.lv2.bb
index 3505b35..cefef2f 100644
--- a/recipes-musicians/x42/dpl.lv2.bb
+++ b/recipes-musicians/x42/dpl.lv2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Digital Peak Limiter LV2 Plugin"
 HOMEPAGE = "https://x42-plugins.com/x42/x42-limiter"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=9eef91148a9b14ec7f9df333daebc746"
 
 inherit pkgconfig
diff --git a/recipes-musicians/x42/fat1.lv2.bb b/recipes-musicians/x42/fat1.lv2.bb
index 3cdb3f9..1a44d6d 100644
--- a/recipes-musicians/x42/fat1.lv2.bb
+++ b/recipes-musicians/x42/fat1.lv2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "at1.lv2 is an auto-tuner based on Fons Adriaensen's zita-at1."
 HOMEPAGE = "https://x42-plugins.com/x42/x42-autotune"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263"
 
 inherit pkgconfig features_check
diff --git a/recipes-musicians/x42/fil4.lv2.bb b/recipes-musicians/x42/fil4.lv2.bb
index a241635..ba11957 100644
--- a/recipes-musicians/x42/fil4.lv2.bb
+++ b/recipes-musicians/x42/fil4.lv2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "4 Band Parametric EQ"
 HOMEPAGE = "http://x42-plugins.com/x42/x42-eq"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263"
 
 inherit pkgconfig
diff --git a/recipes-musicians/x42/libltc.bb b/recipes-musicians/x42/libltc.bb
index 249086c..7905723 100644
--- a/recipes-musicians/x42/libltc.bb
+++ b/recipes-musicians/x42/libltc.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Linear/Logitudinal Time Code (LTC) Library"
 HOMEPAGE = "http://x42.github.io/libltc/"
-LICENSE = "LGPLv3"
+LICENSE = "LGPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=6a6a8e020838b23406c81b19c1d46df6"
 
 inherit autotools
diff --git a/recipes-musicians/x42/meters.lv2.bb b/recipes-musicians/x42/meters.lv2.bb
index 66939c5..75b7191 100644
--- a/recipes-musicians/x42/meters.lv2.bb
+++ b/recipes-musicians/x42/meters.lv2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Collection of LV2 plugins for audio-level metering"
 HOMEPAGE = "http://x42.github.io/meters.lv2/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263"
 
 inherit pkgconfig features_check
diff --git a/recipes-musicians/x42/midifilter.lv2.bb b/recipes-musicians/x42/midifilter.lv2.bb
index 0226929..0d44025 100644
--- a/recipes-musicians/x42/midifilter.lv2.bb
+++ b/recipes-musicians/x42/midifilter.lv2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "LV2 plugins to filter midi events"
 HOMEPAGE = "http://x42.github.io/midifilter.lv2/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=4641e94ec96f98fabc56ff9cc48be14b"
 
 inherit pkgconfig
diff --git a/recipes-musicians/x42/mixtri.lv2.bb b/recipes-musicians/x42/mixtri.lv2.bb
index 0ce4375..d176098 100644
--- a/recipes-musicians/x42/mixtri.lv2.bb
+++ b/recipes-musicians/x42/mixtri.lv2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Matrix Mixer & Trigger (Pre-Processor for Oscilloscope)"
 HOMEPAGE = "https://github.com/x42/mixtri.lv2"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263"
 
 inherit pkgconfig
diff --git a/recipes-musicians/x42/sisco.lv2.bb b/recipes-musicians/x42/sisco.lv2.bb
index b901082..6b6fe9a 100644
--- a/recipes-musicians/x42/sisco.lv2.bb
+++ b/recipes-musicians/x42/sisco.lv2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Simple Scope"
 HOMEPAGE = "http://x42.github.io/sisco.lv2/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263"
 
 inherit pkgconfig
diff --git a/recipes-musicians/x42/tuna.lv2.bb b/recipes-musicians/x42/tuna.lv2.bb
index 8e8feb1..beca4e7 100644
--- a/recipes-musicians/x42/tuna.lv2.bb
+++ b/recipes-musicians/x42/tuna.lv2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Musical Instrument Tuner"
 HOMEPAGE = "http://x42-plugins.com/x42/x42-tuner"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263"
 
 inherit pkgconfig
diff --git a/recipes-musicians/xmonk.lv2/xmonk.lv2.bb b/recipes-musicians/xmonk.lv2/xmonk.lv2.bb
index 24561ff..6368e0a 100644
--- a/recipes-musicians/xmonk.lv2/xmonk.lv2.bb
+++ b/recipes-musicians/xmonk.lv2/xmonk.lv2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "A LV2 toy"
 HOMEPAGE = "https://github.com/brummer10/Xmonk.lv2"
-LICENSE = "BSD-0-Clause"
+LICENSE = "0BSD"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=ed1102993e593e0f97408b1bd982836a"
 
 inherit pkgconfig features_check
diff --git a/recipes-musicians/xmonk.lv2/xpolymonk.lv2.bb b/recipes-musicians/xmonk.lv2/xpolymonk.lv2.bb
index 55b89d2..e83bb17 100644
--- a/recipes-musicians/xmonk.lv2/xpolymonk.lv2.bb
+++ b/recipes-musicians/xmonk.lv2/xpolymonk.lv2.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Polyphonic version of Xmonk.lv2"
 HOMEPAGE = "https://github.com/brummer10/XPolyMonk.lv2"
-LICENSE = "BSD-0-Clause"
+LICENSE = "0BSD"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=ed1102993e593e0f97408b1bd982836a"
 
 inherit pkgconfig features_check
diff --git a/recipes-musicians/ykchorus/ykchorus_git.bb b/recipes-musicians/ykchorus/ykchorus_git.bb
index fcc33ac..9398e7c 100644
--- a/recipes-musicians/ykchorus/ykchorus_git.bb
+++ b/recipes-musicians/ykchorus/ykchorus_git.bb
@@ -1,6 +1,6 @@
 SUMMARY = "A chorus audio effect plugin based on DSP code by Togu Audio Line (TAL)"
 HOMEPAGE = "https://github.com/SpotlightKid/ykchorus"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=02ad2afd072e9ce4a370bedb49e2b075"
 
 inherit pkgconfig gtk-icon-cache lv2-turtle-helper pack_audio_plugins
diff --git a/recipes-musicians/yoshimi/yoshimi.bb b/recipes-musicians/yoshimi/yoshimi.bb
index 3702116..1a0ff16 100644
--- a/recipes-musicians/yoshimi/yoshimi.bb
+++ b/recipes-musicians/yoshimi/yoshimi.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Yoshimi is a software synthesizer for Linux, a fork of ZynAddSubFX"
 HOMEPAGE = "http://yoshimi.sourceforge.net/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=4c5f39c482ca5ca058c1ebd39612cf98"
 
 inherit cmake pkgconfig gtk-icon-cache features_check
diff --git a/recipes-musicians/zam-plugins/zam-plugins_git.bb b/recipes-musicians/zam-plugins/zam-plugins_git.bb
index 4379305..085ccce 100644
--- a/recipes-musicians/zam-plugins/zam-plugins_git.bb
+++ b/recipes-musicians/zam-plugins/zam-plugins_git.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Collection of LADSPA/LV2/VST/JACK audio plugins for high-quality processing"
 HOMEPAGE = "http://www.zamaudio.com/?p=976"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263"
 
 DEPENDS += " \
diff --git a/recipes-musicians/zrythm/libaudec.bb b/recipes-musicians/zrythm/libaudec.bb
index d54b942..765483a 100644
--- a/recipes-musicians/zrythm/libaudec.bb
+++ b/recipes-musicians/zrythm/libaudec.bb
@@ -1,6 +1,6 @@
 SUMMARY = "A library for reading and resampling audio files"
 HOMEPAGE = "https://www.zrythm.org/"
-LICENSE = "AGPL-3.0"
+LICENSE = "AGPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=eb1e647870add0502f8f010b19de32af"
 
 inherit meson
diff --git a/recipes-musicians/zrythm/ztoolkit.bb b/recipes-musicians/zrythm/ztoolkit.bb
index 3944d32..f80b163 100644
--- a/recipes-musicians/zrythm/ztoolkit.bb
+++ b/recipes-musicians/zrythm/ztoolkit.bb
@@ -1,6 +1,6 @@
 SUMMARY = "ZToolkit (Ztk) is a cross-platform GUI toolkit"
 HOMEPAGE = "https://www.zrythm.org/"
-LICENSE = "AGPL-3.0"
+LICENSE = "AGPL-3.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=eb1e647870add0502f8f010b19de32af"
 
 inherit meson gettext features_check
diff --git a/recipes-musicians/zyn/mruby-zest.inc b/recipes-musicians/zyn/mruby-zest.inc
index 9940b7f..41bb3b1 100644
--- a/recipes-musicians/zyn/mruby-zest.inc
+++ b/recipes-musicians/zyn/mruby-zest.inc
@@ -1,5 +1,5 @@
 SUMMARY = "Zyn-Fusion User Interface"
-LICENSE = "LGPLv2.1+"
+LICENSE = "LGPL-2.1-or-later"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=4fbd65380cdd255951079008b364516c"
 
 SRC_URI = " \
diff --git a/recipes-musicians/zyn/zyn.inc b/recipes-musicians/zyn/zyn.inc
index b19e605..74f3ceb 100644
--- a/recipes-musicians/zyn/zyn.inc
+++ b/recipes-musicians/zyn/zyn.inc
@@ -1,5 +1,5 @@
 HOMEPAGE = "http://zynaddsubfx.sourceforge.net"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=21fa88a5e50a1c608d22612c1fbe1971"
 
 inherit cmake qemu-ext-musicians pkgconfig gtk-icon-cache features_check pack_audio_plugins
diff --git a/recipes-streaming/spotify/spotify-qt.bb b/recipes-streaming/spotify/spotify-qt.bb
index 88f2cbc..be518ec 100644
--- a/recipes-streaming/spotify/spotify-qt.bb
+++ b/recipes-streaming/spotify/spotify-qt.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Lightweight Spotify client using Qt"
 HOMEPAGE = "https://github.com/kraxarn/spotify-qt"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://license;md5=e49f4652534af377a713df3d9dec60cb"
 
 SRC_URI = "git://github.com/kraxarn/spotify-qt.git;branch=master;protocol=https"
diff --git a/recipes-streaming/spotify/spotifyd.bb b/recipes-streaming/spotify/spotifyd.bb
index d5e00d2..eeb760b 100644
--- a/recipes-streaming/spotify/spotifyd.bb
+++ b/recipes-streaming/spotify/spotifyd.bb
@@ -1,6 +1,6 @@
 SUMMARY = "A Spotify daemon"
 HOMEPAGE = "https://github.com/Spotifyd/spotifyd"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=84dcc94da3adb52b53ae4fa38fe49e5d"
 
 DEPENDS = " \
diff --git a/recipes-support/faust/faust_git.bb b/recipes-support/faust/faust_git.bb
index 4f5a637..3da3a01 100644
--- a/recipes-support/faust/faust_git.bb
+++ b/recipes-support/faust/faust_git.bb
@@ -1,6 +1,6 @@
 SUMMARY = "Programming language for signal processing and sound synthesis"
 HOMEPAGE = "http://faust.grame.fr/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://../COPYING.txt;md5=212be99c180b5dc717a32f58f34ca3fa"
 
 SRC_URI = " \
diff --git a/recipes-support/libcddb/libcddb_1.3.2.bb b/recipes-support/libcddb/libcddb_1.3.2.bb
index 52dbedd..5eef522 100644
--- a/recipes-support/libcddb/libcddb_1.3.2.bb
+++ b/recipes-support/libcddb/libcddb_1.3.2.bb
@@ -1,5 +1,5 @@
 SUMMARY = "Library to access CDDB data"
-LICENSE = "LGPLv2"
+LICENSE = "LGPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=6e29c688d912da12b66b73e32b03d812"
 
 DEPENDS = "libcdio"
diff --git a/recipes-support/libkeyfinder/libkeyfinder.bb b/recipes-support/libkeyfinder/libkeyfinder.bb
index c927fad..498610c 100644
--- a/recipes-support/libkeyfinder/libkeyfinder.bb
+++ b/recipes-support/libkeyfinder/libkeyfinder.bb
@@ -1,5 +1,5 @@
 SUMMARY = "Musical key detection for digital audio"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=1ebbd3e34237af26da5dc08a4e440464"
 
 SRC_URI = "git://github.com/mixxxdj/libkeyfinder.git;branch=main;protocol=https"
diff --git a/recipes-support/qcustomplot/qcustomplot_2.0.1.bb b/recipes-support/qcustomplot/qcustomplot_2.0.1.bb
index 623dba3..23c141f 100644
--- a/recipes-support/qcustomplot/qcustomplot_2.0.1.bb
+++ b/recipes-support/qcustomplot/qcustomplot_2.0.1.bb
@@ -1,5 +1,5 @@
 SUMMARY = "QCustomPlot is a Qt C++ widget for plotting and data visualization"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://GPL.txt;md5=d32239bcb673463ab874e80d47fae504"
 
 # At the beginning we had to go backwards
diff --git a/recipes-xfce/xfce4-alsa-plugin/xfce4-alsa-plugin.bb b/recipes-xfce/xfce4-alsa-plugin/xfce4-alsa-plugin.bb
index 2604fe1..b1e23f6 100644
--- a/recipes-xfce/xfce4-alsa-plugin/xfce4-alsa-plugin.bb
+++ b/recipes-xfce/xfce4-alsa-plugin/xfce4-alsa-plugin.bb
@@ -1,5 +1,5 @@
 SUMMARY = "Simple ALSA volume control for xfce4-panel"
-LICENSE = "GPLv3"
+LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=7702f203b58979ebbc31bfaeb44f219c"
 
 inherit vala pkgconfig gettext meson
diff --git a/recipes-xfce/xfce4-mixer/xfce4-mixer.bb b/recipes-xfce/xfce4-mixer/xfce4-mixer.bb
index 8f081f3..0cf50f9 100644
--- a/recipes-xfce/xfce4-mixer/xfce4-mixer.bb
+++ b/recipes-xfce/xfce4-mixer/xfce4-mixer.bb
@@ -1,5 +1,5 @@
 SUMMARY = "A volume control application based on GStreamer"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=59530bdf33659b29e73d4adb9f9f6552"
 
 inherit xfce-panel-plugin xfce-git