Not sure if this doesn't go against self-promotion clause, but seems relevant to this thread...
I have a personal project dealing with music from handheld systems, which at the moment should have pretty much every available music rip from both Game Boy and Game Boy Color.
That's... uhh, more than 1500 games. You're sure to find at least some tunes that are to your liking there. Not all games have had a GBS/VGM rip available, but it's really as close to complete as possible (more than 75% of system games at the moment).
Just go here, or if you don't like dynamically loading system the site uses, you can always go through
this link and just use the previous/next buttons to go through games.