Question: What pseudonym does American rapper and singer, featured on the album 2012 from duo 1982, use as a record producer?
Sentence (from "2012 (1982 album)"): Guest appearances include Mac Miller, Bun B, Shawn Stockman (of Boyz II Men), Roc Marciano, Havoc (of Mobb Deep), Freddie Gibbs, Crooked I and Lil' Fame (of M.O.P).
Relevant evidence: Yes