i will make a huge list for ya:
NaS, Big L, GhostFace Killah, Balboa, The Notorious BIG, NWA, A Tribe Called Quest, Red Hot Chili Peppers, Incubus, 311, NitroMegaPrayer, Hemlock Society, OAR, Jack Johnson, Cunning Linguists, Andre Nikatina, The Grits, Dilated Peoples, Digable Planets, Mike Jones, Mr. T Experience, Deftones
that should be enough to satisfy 600 songs or so
its all different shit some you might not find cus its not main stream but good luck