See also:
Best VGM 767 - http://www.youtube.com/watch?v=p-dor7Fj3GM
Best VGM 968 - http://www.youtube.com/watch?v=X8CGqt3N4GA

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.

Nintendo 64
The Legend of Zelda: Majora's Mask
Stone Tower Temple