1 files changed, 3 insertions, 1 deletions
diff --git a/muse2/muse/song.h b/muse2/muse/song.h
index 7bbd831d..d6d3628c 100644
--- a/muse2/muse/song.h
+++ b/muse2/muse/song.h
@@ -383,7 +383,9 @@ class Song : public QObject {
 
    public slots:
       void seekTo(int tick);
-      void update(int flags = -1);
+      void update(int flags = -1, bool allowRecursion=false); // use allowRecursion with care! this
+                                                              // could lock up muse if you aren't sure
+                                                              // that your recursion will be finite!
       void beat();
 
       void undo();