Sonic Retro user Deef has discovered (in August 2010 no doubt! Thanks TimmiT) that if you leave Sonic 3 idling on the save select screen the music changes after a whopping 47 minutes. You can see an example of this below:
Pretty amazing that people are still finding secrets in 19 year old games!
[Source: Tracker_TD]
Webmaster and lead writer at SEGADriven. Likes old games, heavy music and too much pizza. Follow on Twitter @kronkblats