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Spoiler:

Blakroc is a rap rock collaboration album by Ohio-based blues rock band The Black Keys and several hip hop and R&B artists. The project has been overseen by Damon Dash, co-founder and formerly owner of a share in Roc-A-Fella Records. The album was recorded at Studio G by co-producer Joel Hamilton. Album guests include Raekwon, RZA and the late Ol' Dirty Bastard of the Wu-Tang Clan, Jim Jones and NOE of ByrdGang, Mos Def, singer Nicole Wray, Pharoahe Monch, Ludacris, Billy Danze of M.O.P., and Q-Tip of A Tribe Called Quest.

http://www.youtube.com/watch?v=ttwuRgY88Wo