--- freedesktop.org.xml.in-orig	2008-01-01 19:57:50.000000000 +0100
+++ freedesktop.org.xml.in	2008-01-01 20:14:45.000000000 +0100
@@ -3646,6 +3646,11 @@
     </magic>
     <glob pattern="*.ldif"/>
   </mime-type>
+  <mime-type type="text/x-lilypond">
+    <sub-class-of type="text/plain"/>
+    <_comment>Lilypond sheet music</_comment>
+    <glob pattern="*.ly"/>
+  </mime-type>
   <mime-type type="text/x-literate-haskell">
     <sub-class-of type="text/plain"/>
     <_comment>LHS source code</_comment>