American rapper and hip-hop producer who also performs under the name 9thmatic.
His own solo albums include "Dream Merchant" and "Tutankhamen (Valley of the Kings)".
As well as his own material, he has produced for many other similar acts including Jay-Z - The Black Album, De La Soul - The Grind Date, Mary J. Blige - The Breakthrough, Raekwon - Unexepected Victory and 11.9 Talib Kweli - Attack the Block.