diff --git a/src/sampleconf/mimeconf b/src/sampleconf/mimeconf
index 94fd9af3..40e8ec4b 100644
--- a/src/sampleconf/mimeconf
+++ b/src/sampleconf/mimeconf
@@ -114,6 +114,8 @@ application/x-tex = exec rcltex
 application/x-webarchive = execm rclwar
 application/zip = execm rclzip;charset=default
 audio/mpeg = execm rclaudio
+audio/mp4 = execm rclaudio
+audio/aac = execm rclaudio
 audio/x-karaoke = execm rclkar
 image/gif = execm rclimg
 image/jp2 = execm rclimg
diff --git a/src/sampleconf/mimemap b/src/sampleconf/mimemap
index 328b8dce..68f29011 100644
--- a/src/sampleconf/mimemap
+++ b/src/sampleconf/mimemap
@@ -137,9 +137,13 @@
 .mp3 = audio/mpeg
 .flac = application/x-flac
 .ogg = application/ogg
+.oga = application/ogg
 # Note: file -i says audio/x-midi, but soft karaoke files are special.
 .kar = audio/x-karaoke
 .mid = audio/x-karaoke
+.aac = audio/aac
+.mp4 = audio/mp4
+.m4a = audio/mp4
 
 .mkv = video/x-matroska