See also:
Best VGM 387 - http://www.youtube.com/watch?v=_L6scVxzIiI
Best VGM 565 - http://www.youtube.com/watch?v=Z4QunenBEXI

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.

Gameboy
Zelda: Link's Awakening (1993)
Eagle Tower (Level 7)
Yuichi Ozaki, Kazumi Totaka, Minako Hamano & Kazue Ishikawa