some of the physics seem weird and the jump's seem a little floaty, but the music sounds just like the genesis synthesizer. I don't know if the compositions will be as good, but at least they will sound like the old sound tracks. The sonic soundtracks were incredible and are a major component to the appeal of the classic games
Here's a video from my band's last show Check out more (bigger) videos here http://www.youtube.com/user/icemanout