Sonic One - Green Hill zone ( I hum it all the time, They're are some nice videos of people playing it on the piano on YT Tabull??
Sonic One - Special Stage/ Emerarld Stage (Perfect ambiance music, and the background with the doves turning into fish and back again
* If anyone could make me an avy of just the background, I'd be indebted to you for life
Dr. Robotniks Mean Bean Machine- Versus mode music (So fast paced, used to get me juiced