diff --git a/home/default/scripts/append-urls-to-titles b/home/default/scripts/append-urls-to-titles
index eed84b0..9df291a 100755
--- a/home/default/scripts/append-urls-to-titles
+++ b/home/default/scripts/append-urls-to-titles
@@ -21,3 +21,5 @@ fi
 cat append.txt | wget-titles-from-urls >> titles.txt
 cat append.txt | youtube-audio
 > append.txt
+
+standardize-music
diff --git a/home/default/scripts/convert-to-audio b/home/default/scripts/convert-to-audio
deleted file mode 100755
index 6235b63..0000000
--- a/home/default/scripts/convert-to-audio
+++ /dev/null
@@ -1,32 +0,0 @@
-#!/usr/bin/env sh
-
-# rename .MKV -> .MKV
-count=`ls -1 *.JPG 2>/dev/null | wc -l`
-if [ $count != 0 ]; then
-  rename MKV mkv *.MKV
-fi
-  
-# convert to opus
-count=`ls -1 *.mkv 2>/dev/null | wc -l`
-if [ $count != 0 ]; then
-  for i in *.mkv; do
-    ffmpeg -i "$i" "${i%.mkv}.opus";
-    rm "$i";
-  done
-fi
-
-# rename .WEBM -> .webm
-count=`ls -1 *.WEBM 2>/dev/null | wc -l`
-if [ $count != 0 ]; then 
-  rename WEBM webm *.WEBM
-fi
-  
-# convert to opus
-count=`ls -1 *.webm 2>/dev/null | wc -l`
-if [ $count != 0 ]; then
-  for i in *.webm; do
-    ffmpeg -i "$i" "${i%.webm}.opus";
-    rm "$i";
-  done
-fi 
-
diff --git a/home/default/scripts/standardize-music b/home/default/scripts/standardize-music
new file mode 100755
index 0000000..8e541d7
--- /dev/null
+++ b/home/default/scripts/standardize-music
@@ -0,0 +1,41 @@
+#!/usr/bin/env sh
+set -oux pipefail
+
+# removes more modern codecs to just files that can fit on my mp3 player
+
+count=`ls -1 *.M4A 2>/dev/null | wc -l`
+if [ $count != 0 ]; then
+  rename M4A m4a *.M4A
+fi
+  
+count=`ls -1 *.m4a 2>/dev/null | wc -l`
+if [ $count != 0 ]; then
+    for i in *.m4a; do
+        ffmpeg -i "$i" "${i%.*}.ogg" && rm "$i"
+    done
+fi
+
+count=`ls -1 *.WEBM 2>/dev/null | wc -l`
+if [ $count != 0 ]; then
+  rename WEBM webm *.WEBM
+fi
+  
+count=`ls -1 *.webm 2>/dev/null | wc -l`
+if [ $count != 0 ]; then
+    for i in *.webm; do
+        ffmpeg -i "$i" "${i%.*}.ogg" && rm "$i"
+    done
+fi
+
+count=`ls -1 *.OPUS 2>/dev/null | wc -l`
+if [ $count != 0 ]; then
+  rename OPUS opus *.OPUS
+fi
+  
+count=`ls -1 *.opus 2>/dev/null | wc -l`
+if [ $count != 0 ]; then
+    for i in *.opus; do
+        ffmpeg -i "$i" "${i%.*}.ogg" && rm "$i"
+    done
+fi
+