diff --git a/filetypes.xml b/filetypes.xml
index cc571a2..8c0ac79 100644
--- a/filetypes.xml
+++ b/filetypes.xml
@@ -11,6 +11,7 @@
       <mapping pattern=".gitkeep" type="PLAIN_TEXT" />
       <mapping pattern=".browserslistrc" type="PLAIN_TEXT" />
       <mapping ext="py" type="PLAIN_TEXT" />
+      <mapping ext="musicxml" type="XML" />
       <mapping ext="mei" type="XML" />
       <removed_mapping ext="apk" approved="true" type="ARCHIVE" />
       <removed_mapping ext="csv" approved="true" type="CSV" />