Oh yeah, see that "M" or "S" in the corner when you play the stage? Click that to toggle between Mario and Sonic Music. Also, do not hit the black lines as they will slow you down.
It looks a lot better in full screen... Finally! One done (partially), four more to go! Hey everyone! I finally finished Roserade's Stealth Game HD, however, only one stage is open. More will be on the way, so do not worry! I've been working on this for a while now... UPDATES: (none right now)