As long as we're on this topic, I've had no luck in finding a few of the GTA: San Andreas songs on MP3. I've looked so far on I-Tunes, and MP3Search.Ru with no luck.

Spoonie G: The Godfather
Masta Ace: Me & the Biz
Big Daddy Kane: Warm it up Kane
Biz Markie: The Vapors


Holla!