See also:
Best VGM 437 - http://www.youtube.com/watch?v=aDJ3bdD4TPM
Best VGM 657 - http://www.youtube.com/watch?v=NL0AZ-oAraw
Best VGM 1071 - http://www.youtube.com/watch?v=HGMjMDE-gAY

A collection of my favorite videogame music. Note that most of them are from games I played so I might miss some great ones from games I never played.

SNES
Terranigma
Crysta