Music SPC
You have found the way to SPC on Music:
The Blue Bomber's Multimedia - Various files for the Super Nintendo.
Skytopia - Hundreds of individual SNES tunes examined and classed, with mini-reviews and trivia of the best. Music judged according to rhythm, melody, intricacy and general orchestration.
Voidaudio.net - Over 11000 SPCs and other audio formats.
Zophar's Domain: SPC Archive - Over 18,000 Super Nintendo files. Help build the largest human-edited directory on the web.