Dr. Reverbnik | Gimmick Mountain Classic - Sonic Generations Remix @DrReverbnik | Uploaded 10 years ago | Updated 7 hours ago
MP3: http://www.mediafire.com/?vch92160qt1rs71

I remember playing this game on the Game Gear as a kid. Very not-so-fond memories of Underground Zone and nothing else because that's only level of that game I saw until I was about fifteen or something.