After releasing the 12" singles "The Adventures of Mastermind" and "Waited All My Life" / "Hip Hop Heads", in 1999 Prosper produced the track "Mr. Nigga" for Mos Def from the 1999's classic Rawkus Album "Black On Both Sides" and in 2004 "Paychecks" for the Theodore Unit (Cappadonna, Ghostface Killah, Du-Lilz, Kryme Life, Shawn Wigs, Solomon Childs, Sun God, Trife Da God) from the Album "718" and avaiable as 12" single. He was the former G Unit / Interscope Records Director of A&R and worked for 50 Cent, Young Buck, Lloyd Banks, Tony Yayo and Mobb Deep on their albums on G-Unit and also did some other A&R jobs for Dead Prez and Hi-Tek. In 2010 he is back on the mic with D. Prosper Presents Project A.T.O.M. (Advanced Thoughts of Mastermind)! This is a Sci-Fi Hip Hop Project supported and vouched retweeted by Erykah Badu, Talib Kweli, Sway (MTV, half of the duo Sway & King Tech), Jay Electronica, Dj Green Lantern, Pharoah Monch, Dream Hampton, Hexmurdah, Angela Yee, etc. The LP is coming soon. In the meantime, check out "Merkabah" the first released track from Project A.T.O.M.