diff --git a/stepmania/src/RageSound.cpp b/stepmania/src/RageSound.cpp
index a4149f9abc..43bec191e2 100644
--- a/stepmania/src/RageSound.cpp
+++ b/stepmania/src/RageSound.cpp
@@ -800,6 +800,39 @@ RageSoundParams::StopMode_t RageSound::GetStopMode() const
 		return RageSoundParams::M_STOP;
 }
 
+
+// lua start
+#include "LuaBinding.h"
+
+class LunaRageSound: public Luna<RageSound>
+{
+public:
+	static int pitch( T* p, lua_State *L )
+	{
+		RageSoundParams params( p->GetParams() );
+		params.m_fPitch = FArg(1);
+		p->SetParams( params );
+		return 0;
+	}
+
+	static int speed( T* p, lua_State *L )
+	{
+		RageSoundParams params( p->GetParams() );
+		params.m_fSpeed = FArg(1);
+		p->SetParams( params );
+		return 0;
+	}
+
+	LunaRageSound()
+	{
+		ADD_METHOD( pitch );
+		ADD_METHOD( speed );
+	}
+};
+
+LUA_REGISTER_CLASS( RageSound )
+// lua end
+
 /*
  * Copyright (c) 2002-2004 Glenn Maynard
  * All rights reserved.
diff --git a/stepmania/src/RageSound.h b/stepmania/src/RageSound.h
index abcd07fb30..f1db8f3747 100644
--- a/stepmania/src/RageSound.h
+++ b/stepmania/src/RageSound.h
@@ -8,6 +8,7 @@
 #include "RageSoundPosMap.h"
 
 class RageSoundReader;
+struct lua_State;
 
 /* Driver interface for sounds: this is what drivers see. */
 class RageSoundBase
@@ -146,6 +147,11 @@ public:
 	void SetParams( const RageSoundParams &p );
 	const RageSoundParams &GetParams() const { return m_Param; }
 
+	//
+	// Lua
+	//
+	virtual void PushSelf( lua_State *L );
+
 private:
 	mutable RageMutex m_Mutex;