diff --git a/stepmania/src/NoteFieldPositioning.cpp b/stepmania/src/NoteFieldPositioning.cpp
index 34bdaf1bc4..dd8c64c3ee 100644
--- a/stepmania/src/NoteFieldPositioning.cpp
+++ b/stepmania/src/NoteFieldPositioning.cpp
@@ -14,108 +14,45 @@
 #include "GameDef.h"
 
 
-/* This is similar in style to Actor::Command.  However, Actors don't store
- * matrix stacks; they only store offsets and scales, and compound them into
- * a single transformations at once.  This makes some things easy, but it's not
- * convenient for generic 3d transforms.  For that, we have this, which has the
- * small subset of the actor commands that applies to raw matrices, and we apply
- * commands in the order given.  "scale,2;x,1;" is very different from
- * "x,1;scale,2;". */
-static CString GetParam( const CStringArray& sParams, int iIndex, int& iMaxIndexAccessed )
-{
-	iMaxIndexAccessed = max( iIndex, iMaxIndexAccessed );
-	if( iIndex < int(sParams.size()) )
-		return sParams[iIndex];
-	else
-		return "";
-}
-
-void MatrixCommand(CString sCommandString, RageMatrix &mat)
-{
-	CStringArray asCommands;
-	split( sCommandString, ";", asCommands, true );
-	
-	for( unsigned c=0; c<asCommands.size(); c++ )
-	{
-		CStringArray asTokens;
-		split( asCommands[c], ",", asTokens, true );
-
-		int iMaxIndexAccessed = 0;
-
-#define sParam(i) (GetParam(asTokens,i,iMaxIndexAccessed))
-#define fParam(i) ((float)atof(sParam(i)))
-#define iParam(i) (atoi(sParam(i)))
-#define bParam(i) (iParam(i)!=0)
-
-		CString& sName = asTokens[0];
-		sName.MakeLower();
-
-		RageMatrix b;
-		// Act on command
-		if( sName=="x" )					RageMatrixTranslation( &b, fParam(1),0,0 );
-		else if( sName=="y" )				RageMatrixTranslation( &b, 0,fParam(1),0 );
-		else if( sName=="z" )				RageMatrixTranslation( &b, 0,0,fParam(1) );
-		else if( sName=="zoomx" )			RageMatrixScaling(&b, fParam(1),1,1 );
-		else if( sName=="zoomy" )			RageMatrixScaling(&b, 1,fParam(1),1 );
-		else if( sName=="zoomz" )			RageMatrixScaling(&b, 1,1,fParam(1) );
-		else if( sName=="rotationx" )		RageMatrixRotationX( &b, fParam(1) );
-		else if( sName=="rotationy" )		RageMatrixRotationY( &b, fParam(1) );
-		else if( sName=="rotationz" )		RageMatrixRotationZ( &b, fParam(1) );
-		else
-		{
-			CString sError = ssprintf( "Unrecognized matrix command name '%s' in command string '%s'.", sName.GetString(), sCommandString.GetString() );
-			LOG->Warn( sError );
-#if defined(WIN32) // XXX arch?
-			if( DISPLAY->IsWindowed() )
-				MessageBox(NULL, sError, "MatrixCommand", MB_OK);
-#endif
-			continue;
-		}
-
-
-		if( iMaxIndexAccessed != (int)asTokens.size()-1 )
-		{
-			CString sError = ssprintf( "Wrong number of parameters in command '%s'.  Expected %d but there are %d.", join(",",asTokens).GetString(), iMaxIndexAccessed+1, (int)asTokens.size() );
-			LOG->Warn( sError );
-#if defined(WIN32) // XXX arch?
-			if( DISPLAY->IsWindowed() )
-				MessageBox(NULL, sError, "MatrixCommand", MB_OK);
-#endif
-			continue;
-		}
-
-		RageMatrix a(mat);
-		RageMatrixMultiply(&mat, &a, &b);
-	}
-	
-}
-
 NoteFieldPositioning::Mode::Mode()
 {
-	for( int tn=0; tn<MAX_NOTE_TRACKS; tn++ )
-	{
-		RageMatrixIdentity(&m_Position[tn]);
-		RageMatrixIdentity(&m_PerspPosition[tn]);
-		m_fFov[tn] = 0;
-	}
+	m_fFov = 0;
 }
 
-void NoteFieldPositioning::Mode::BeginDrawTrack(int tn) const
+void NoteFieldPositioning::Mode::BeginDrawTrack(int tn)
 {
-	DISPLAY->MultMatrix((const float *) m_Position[tn]);
+	/* It's useful to be able to use Actors like this, functioning only
+	 * for a transformation.  However, this is a big waste of matrix
+	 * stack space, as each of these will push.  Profile this. XXX */
+	m_Center.BeginDraw();
+	if(tn != -1)
+		m_CenterTrack[tn].BeginDraw();
 
-	if(m_fFov[tn])
-		DISPLAY->EnterPerspective(m_fFov[tn]);
+	if(m_fFov) 
+		DISPLAY->EnterPerspective(m_fFov);
 	
-	DISPLAY->MultMatrix((const float *) m_PerspPosition[tn]);
+	m_Position.BeginDraw();
+	if(tn == -1)
+		m_PositionBackdrop.BeginDraw();
+	else
+		m_PositionTrack[tn].BeginDraw();
 }
 
-void NoteFieldPositioning::Mode::EndDrawTrack(int tn) const
+void NoteFieldPositioning::Mode::EndDrawTrack(int tn)
 {
-	if(m_fFov[tn])
-		DISPLAY->ExitPerspective();
-}
+	if(tn == -1)
+		m_PositionBackdrop.EndDraw();
+	else
+		m_PositionTrack[tn].EndDraw();
+	m_Position.EndDraw();
 
+	if(m_fFov)
+		DISPLAY->ExitPerspective();
+
+	if(tn != -1)
+		m_CenterTrack[tn].EndDraw();
+	m_Center.EndDraw();
+}
 
 NoteFieldPositioning::NoteFieldPositioning(CString fn)
 {
@@ -128,24 +65,40 @@ NoteFieldPositioning::NoteFieldPositioning(CString fn)
 		Mode m;
 
 		const IniFile::key &k = i->second;
+		IniFile::key::const_iterator val;
+
+		val = k.find("Name");
+		ASSERT(val != k.end()); /* required */
+		m.name = val->second;
+
+		val = k.find("Backdrop");
+		if(val != k.end())
+			m.Backdrop = val->second;
+		
+		val = k.find("Center");
+		if(val != k.end())
+			m.m_Center.Command(val->second);
+
+		val = k.find("FOV");
+		if(val != k.end())
+			m.m_fFov = float(atof(val->second.c_str()));
+
+		val = k.find("Position");
+		if(val != k.end())
+			m.m_Position.Command(val->second);
+
+		val = k.find("BackdropPosition");
+		if(val != k.end())
+			m.m_PositionBackdrop.Command(val->second);
+		
 		for(int t = 0; t < MAX_NOTE_TRACKS; ++t)
 		{
-			IniFile::key::const_iterator val;
-
-			val = k.find("Name");
-			ASSERT(val != k.end()); /* required */
-			m.name = val->second;
-
-			val = k.find(ssprintf("Track%i", t+1));
+			val = k.find(ssprintf("Center%i", t+1));
 			if(val != k.end())
-				MatrixCommand(val->second, m.m_Position[t]);
-			val = k.find(ssprintf("PTrack%i", t+1));
+				m.m_CenterTrack[t].Command(val->second);
+			val = k.find(ssprintf("Position%i", t+1));
 			if(val != k.end())
-				MatrixCommand(val->second, m.m_PerspPosition[t]);
-
-			val = k.find(ssprintf("FOV%i", t+1));
-			if(val != k.end())
-				m.m_fFov[t] = float(atof(val->second.c_str()));
+				m.m_PositionTrack[t].Command(val->second);
 
 			CString sGames;
 			val = k.find("Games");
@@ -222,8 +175,37 @@ void NoteFieldPositioning::GetNamesForCurrentGame(vector<CString> &IDs)
 	}
 }
 
+/* XXX: Lots of GetID calls, which do a bunch of string compares; profile this. */
+CString NoteFieldPositioning::GetBackdropBGA(PlayerNumber pn) const
+{
+	const int mode = GetID(pn);
+	if(mode == -1)
+		return ""; /* none */
+	LOG->Trace("bd %s", Modes[mode].Backdrop.c_str() );
+	return Modes[mode].Backdrop;
+}
 
-void NoteFieldPositioning::BeginDrawTrack(PlayerNumber pn, int tn) const
+void NoteFieldPositioning::BeginDrawBackdrop(PlayerNumber pn)
+{
+	const int mode = GetID(pn);
+	if(mode == -1)
+		return;
+
+	DISPLAY->PushMatrix();
+	Modes[mode].BeginDrawTrack(-1);
+}
+
+void NoteFieldPositioning::EndDrawBackdrop(PlayerNumber pn)
+{
+	const int mode = GetID(pn);
+	if(mode == -1)
+		return;
+
+	Modes[mode].EndDrawTrack(-1);
+	DISPLAY->PopMatrix();
+}
+
+void NoteFieldPositioning::BeginDrawTrack(PlayerNumber pn, int tn)
 {
 	const int mode = GetID(pn);
 
@@ -241,7 +223,7 @@ void NoteFieldPositioning::BeginDrawTrack(PlayerNumber pn, int tn) const
 	}
 }
 
-void NoteFieldPositioning::EndDrawTrack(PlayerNumber pn, int tn) const
+void NoteFieldPositioning::EndDrawTrack(PlayerNumber pn, int tn)
 {
 	const int mode = GetID(pn);
 
diff --git a/stepmania/src/NoteFieldPositioning.h b/stepmania/src/NoteFieldPositioning.h
index fd217a5faf..49da52a360 100644
--- a/stepmania/src/NoteFieldPositioning.h
+++ b/stepmania/src/NoteFieldPositioning.h
@@ -1,11 +1,11 @@
 #ifndef NOTEFIELD_POSITIONING_H
 #define NOTEFIELD_POSITIONING_H
 
-#include "RageMath.h"
 #include "PlayerNumber.h"
 #include "StyleDef.h"
 #include "PlayerNumber.h"
 #include "Style.h"
+#include "Actor.h"
 
 #include <set>
 
@@ -16,16 +16,22 @@ class NoteFieldPositioning
 		Mode();
 		bool MatchesCurrentGame() const;
 
-		void BeginDrawTrack(int tn) const;
-		void EndDrawTrack(int tn) const;
+		void BeginDrawTrack(int tn);
+		void EndDrawTrack(int tn);
 
 		CString name;
 		set<Style> Styles;
 
-		RageMatrix m_Position[MAX_NOTE_TRACKS];
+		Actor m_Center;
+		Actor m_CenterTrack[MAX_NOTE_TRACKS];
+
 		/* 0 = no perspective */
-		float m_fFov[MAX_NOTE_TRACKS];
-		RageMatrix m_PerspPosition[MAX_NOTE_TRACKS];
+		float m_fFov;
+		Actor m_Position;
+		Actor m_PositionTrack[MAX_NOTE_TRACKS];
+
+		CString Backdrop;
+		Actor m_PositionBackdrop;
 	};
 
 	vector<Mode> Modes;
@@ -38,8 +44,12 @@ public:
 	int GetID(const CString &name) const;
 	int GetID(PlayerNumber pn) const;
 
-	void BeginDrawTrack(PlayerNumber pn, int tn) const;
-	void EndDrawTrack(PlayerNumber pn, int tn) const;
+	void BeginDrawTrack(PlayerNumber pn, int tn);
+	void EndDrawTrack(PlayerNumber pn, int tn);
+
+	CString GetBackdropBGA(PlayerNumber pn) const;
+	void BeginDrawBackdrop(PlayerNumber pn);
+	void EndDrawBackdrop(PlayerNumber pn);
 
 	void GetNamesForCurrentGame(vector<CString> &IDs);
 };