diff --git a/stepmania/src/ActorFrame.cpp b/stepmania/src/ActorFrame.cpp
index 0a82a0d37d..77514bec0e 100644
--- a/stepmania/src/ActorFrame.cpp
+++ b/stepmania/src/ActorFrame.cpp
@@ -62,11 +62,15 @@ void ActorFrame::DrawPrimitives()
 	// Actor::DrawPrimitives();
 
 	// draw all sub-ActorFrames while we're in the ActorFrame's local coordinate space
-	for( unsigned i=0; i<m_SubActors.size(); i++ ) {
+	for( unsigned i=0; i<m_SubActors.size(); i++ )
 		m_SubActors[i]->Draw();
-	}
 }
 
+void ActorFrame::RunCommandOnChildren( const CString &cmd )
+{
+	for( unsigned i=0; i<m_SubActors.size(); i++ )
+		m_SubActors[i]->Command( cmd );
+}
 
 void ActorFrame::Update( float fDeltaTime )
 {
diff --git a/stepmania/src/ActorFrame.h b/stepmania/src/ActorFrame.h
index 0c714e84ad..deff5daa32 100644
--- a/stepmania/src/ActorFrame.h
+++ b/stepmania/src/ActorFrame.h
@@ -23,6 +23,8 @@ public:
 
 	virtual ~ActorFrame() { }
 
+	virtual void RunCommandOnChildren( const CString &cmd ); /* but not on self */
+
 	virtual void Update( float fDeltaTime );
 	virtual void DrawPrimitives();