diff --git a/stepmania/src/BGAnimationLayer.cpp b/stepmania/src/BGAnimationLayer.cpp
index fab9845feb..8ba053f6a9 100644
--- a/stepmania/src/BGAnimationLayer.cpp
+++ b/stepmania/src/BGAnimationLayer.cpp
@@ -600,6 +600,16 @@ void BGAnimationLayer::LoadFromIni( CString sAniDir, CString sLayer )
 	}
 }
 
+float BGAnimationLayer::GetMaxTweenTimeLeft() const
+{
+	float ret = 0;
+
+	for( unsigned i=0; i<m_Sprites.size(); i++ )
+		ret = max(ret, m_Sprites[i]->GetTweenTimeLeft());
+
+	return ret;
+}
+
 void BGAnimationLayer::Update( float fDeltaTime )
 {
 	const float fSongBeat = GAMESTATE->m_fSongBeat;
diff --git a/stepmania/src/BGAnimationLayer.h b/stepmania/src/BGAnimationLayer.h
index 9a52927e4e..167609f648 100644
--- a/stepmania/src/BGAnimationLayer.h
+++ b/stepmania/src/BGAnimationLayer.h
@@ -40,6 +40,7 @@ public:
 
 	virtual void SetDiffuse( RageColor c );
 
+	float GetMaxTweenTimeLeft() const;
 	void GainingFocus();
 	void LosingFocus();