diff --git a/conf/layer.conf b/conf/layer.conf
index c4d8033..d37f3c9 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -11,10 +11,12 @@ BBFILE_COLLECTIONS += "meta-musicians"
 BBFILE_PATTERN_meta-musicians := "^${LAYERDIR}/"
 BBFILE_PRIORITY_meta-musicians = "20"
 
+# ffmpeg4-layer: https://github.com/schnitzeltony/meta-ffmpeg4
 LAYERDEPENDS_meta-musicians = " \
     core \
     openembedded-layer \
     multimedia-layer \
+    ffmpeg4-layer \
     networking-layer \
     xfce-layer \
     gnome-layer \