diff --git a/dot_sh_functions b/dot_sh_functions
index 84e1fb8..9a2d06e 100644
--- a/dot_sh_functions
+++ b/dot_sh_functions
@@ -211,3 +211,7 @@ m4atowav(){
 	local out="${1%.*}.wav"
 	ffmpeg -i ${1} -f wav ${1%.*}.wav
 }
+m4atomp3(){
+	local out="${1%.*}.mp3"
+	ffmpeg -i ${1} -c:v copy -c:a libmp3lame -q:a 4 $out
+}