X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fperformance.cc;h=70d5348a9b1d6f0513e7cc8b983538ec79b77cfe;hb=a38a563f999c2b0c6fe2715e19b14afe77108338;hp=e536622f06f550336876ea29f4e3b421df787bce;hpb=f9214bac21e9926dc3248416f58190c98c4167a9;p=lilypond.git

diff --git a/lily/performance.cc b/lily/performance.cc
index e536622f06..70d5348a9b 100644
--- a/lily/performance.cc
+++ b/lily/performance.cc
@@ -109,3 +109,9 @@ void
 Performance::process ()
 {
 }
+
+Performance *
+unsmob_performance (SCM x)
+{
+  return dynamic_cast<Performance*> (unsmob_music_output (x));
+}