Kanye West, Just Blaze, Timbaland,Dr. Dre, The Neptunes, Lil John, Jazze Pha, DJ Paul & Juicy J(Three 6 Mafia), The Alchemist, Mannie Fresh, and any other hot producers u can think of. Seriously!
Dont worry about it. Just listen to the damn beats.
We got low prices. We just 2 broke niggas tryin to eat.