RJD2, MOP, Mobb Depp, Talib Kweli, Brother Ali, Jurassic 5, Royce Da 59, a tribe called quest, De La Soul, 7L and Esoteric, Jedi Mind Tricks, Ali Vegas, Awol 1, Andre Nickatina, AZ, Beatnuts, Bishop Lamont, Black Star, Blackalicious, the Diplomats and Cash Money millionaries (kinda mainstream), CNN, Cormega, Cypress Hill, Danger Doom, Deltron 3030, Dilated Peoples, DJ Babu, DL Incognito, Dub Pistols, Gangstarr, GZA, Hi Tek, Heiroglyphics, Jaylib, LA Symphony, Lil Troy, Living Legends, MF Doom, Mos Def, Mr, Dibbs, People Under the Stairs, Phroah Monch, Quasimoto, Rascalz, Styles of Beyond, Styles P, Sweatshop Union, Swollen Members, Terror Danjah, Tha Alkaholiks, Vowel Movements, Zion I, Damien Marley, Ugly Duckling. Hope that helps man