Chris Brown is rapping on his brand new 21-track Boy in Detention mixtape. Wiz Khalifa, Tyga, Swizz Beatz, Big K.R.I.T. and Justin Bieber Shawty Mane all make guest spots on Breezy's hip-hop offering with J.U.S.T.I.C.E. League, 9th Wonder, and more handling the mixtape's production.

Stream the 21-track Boy in Dentention mixtape below.

[DatPiff]