diff --git a/.gitignore b/.gitignore
index a136337..b7177da 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
+*.midi
 *.pdf
diff --git a/Makefile b/Makefile
index b0b5c97..65fefd2 100644
--- a/Makefile
+++ b/Makefile
@@ -2,4 +2,4 @@ all:
 	@lilypond --silent *.ly
 
 clean:
-	@rm -f *.pdf 2>/dev/null
+	@rm -f *.midi *.pdf 2>/dev/null