diff --git a/src/Actor.cpp b/src/Actor.cpp
index 72a3ee3856..42b5eae89b 100644
--- a/src/Actor.cpp
+++ b/src/Actor.cpp
@@ -68,6 +68,12 @@ void Actor::SetBGMTime( float fTime, float fBeat, float fTimeNoOffset, float fBe
 	g_fCurrentBGMBeatNoOffset = fBeatNoOffset;
 }
 
+void Actor::SetPlayerBGMBeat( PlayerNumber pn, float fBeat, float fBeatNoOffset )
+{
+	g_vfCurrentBGMBeatPlayer[pn] = fBeat;
+	g_vfCurrentBGMBeatPlayerNoOffset[pn] = fBeatNoOffset;
+}
+
 void Actor::SetBGMLight( int iLightNumber, float fCabinetLights )
 {
 	ASSERT( iLightNumber < NUM_CabinetLight );
@@ -675,6 +681,16 @@ void Actor::UpdateInternal( float fDeltaTime )
 		m_fEffectDelta = g_fCurrentBGMBeat - m_fSecsIntoEffect;
 		m_fSecsIntoEffect = g_fCurrentBGMBeat;
 		break;
+	
+	case CLOCK_BGM_BEAT_PLAYER1:
+		m_fEffectDelta = g_vfCurrentBGMBeat[PlayerNumber_P1] - m_fSecsIntoEffect;
+		m_fSecsIntoEffect = g_vfCurrentBGMBeat[PlayerNumber_P1];
+		break;
+
+	case CLOCK_BGM_BEAT_PLAYER2:
+		m_fEffectDelta = g_vfCurrentBGMBeat[PlayerNumber_P2] - m_fSecsIntoEffect;
+		m_fSecsIntoEffect = g_vfCurrentBGMBeat[PlayerNumber_P2];
+		break;
 
 	case CLOCK_BGM_TIME:
 		m_fEffectDelta = g_fCurrentBGMTime - m_fSecsIntoEffect;
diff --git a/src/Actor.h b/src/Actor.h
index 45d080dabe..91634a7649 100644
--- a/src/Actor.h
+++ b/src/Actor.h
@@ -109,6 +109,7 @@ public:
 	virtual void LoadFromNode( const XNode* pNode );
 
 	static void SetBGMTime( float fTime, float fBeat, float fTimeNoOffset, float fBeatNoOffset );
+	static void SetPlayerBGMBeat( PlayerNumber pn, float fBeat, float fBeatNoOffset );
 	static void SetBGMLight( int iLightNumber, float fCabinetLights );
 
 	/**
@@ -131,6 +132,8 @@ public:
 		CLOCK_BGM_BEAT,
 		CLOCK_BGM_TIME_NO_OFFSET,
 		CLOCK_BGM_BEAT_NO_OFFSET,
+		CLOCK_BGM_BEAT_PLAYER1,
+		CLOCK_BGM_BEAT_PLAYER2,
 		CLOCK_LIGHT_1 = 1000,
 		CLOCK_LIGHT_LAST = 1100,
 		NUM_CLOCKS
@@ -713,6 +716,7 @@ protected:
 	// global state
 	static float g_fCurrentBGMTime, g_fCurrentBGMBeat;
 	static float g_fCurrentBGMTimeNoOffset, g_fCurrentBGMBeatNoOffset;
+	static vector<float> g_vfCurrentBGMBeatPlayer, g_vfCurrentBGMBeatPlayerNoOffset;
 
 private:
 	// commands
diff --git a/src/GameState.cpp b/src/GameState.cpp
index 88a090e8c5..3f26469494 100644
--- a/src/GameState.cpp
+++ b/src/GameState.cpp
@@ -949,7 +949,9 @@ void GameState::UpdateSongPosition( float fPositionSeconds, const TimingData &ti
 	if( bUpdatePlayers )
 		FOREACH_EnabledPlayer( pn )
 			if( m_pCurSteps[pn] )
+			{
 				m_pPlayerState[pn]->m_Position.UpdateSongPosition( fPositionSeconds, m_pCurSteps[pn]->m_Timing, timestamp );
+				Actor::SetPlayerBGMBeat( pn, m_pPlayerState[pn]->m_Position.m_fSongBeatVisible, m_pPlayerState[pn]->m_Position.m_fSongBeatNoOffset );
 
 	Actor::SetBGMTime( GAMESTATE->m_Position.m_fMusicSecondsVisible, GAMESTATE->m_Position.m_fSongBeatVisible, fPositionSeconds, GAMESTATE->m_Position.m_fSongBeatNoOffset );
 //	LOG->Trace( "m_fMusicSeconds = %f, m_fSongBeat = %f, m_fCurBPS = %f, m_bFreeze = %f", m_fMusicSeconds, m_fSongBeat, m_fCurBPS, m_bFreeze );
diff --git a/src/SongPosition.cpp b/src/SongPosition.cpp
index 79e925658f..bcfee26f80 100644
--- a/src/SongPosition.cpp
+++ b/src/SongPosition.cpp
@@ -20,7 +20,7 @@ void SongPosition::UpdateSongPosition( float fPositionSeconds, const TimingData
 	timing.GetBeatAndBPSFromElapsedTime( fPositionSeconds, m_fSongBeat, m_fCurBPS, m_bFreeze, m_bDelay, m_iWarpBeginRow, m_fWarpDestination );
 	
 	// "Crash reason : -243478.890625 -48695.773438"
-	ASSERT_M( m_fSongBeat > -2000, ssprintf("Song beat %f at %f seconds", m_fSongBeat, fPositionSeconds) );
+	ASSERT_M( m_fSongBeat > -2000, ssprintf("Song beat %f at %f seconds is less than -2000!", m_fSongBeat, fPositionSeconds) );
 
 	m_fMusicSeconds = fPositionSeconds;