I was searching the interwebs and stumbled on this via a gaming blog. As it's a secret level in Sonic Adventure 2 I'm sure it's old, but I've got the game and it's new to me so I figured what the hell. The music is just so awesome.
http://www.youtube.com/watch?v=ZyK05_wk-J8&eurl=http://www.siliconera.com/
http://www.youtube.com/watch?v=ZyK05_wk-J8&eurl=http://www.siliconera.com/