What duo  was an American rapper and record producer apart of , who had a guest appearance in  the second album by American hip hop duo 1982 ?
Havoc (musician) Kejuan Muchita (born May 21, 1974), better known by his stage name Havoc, is an American rapper and record producer. He was one half of the hip-hop duo Mobb Deep.
White Dawg Billy Alsbrooks, Jr., better known by his stage name White Dawg, is an American rapper and record producer. His recordings include the single "Restless" off his second LP "Thug Ride". In 2001, White Dawg produced the album "Dunks and D's" by Thrill da Playa of the group 69 Boyz and produced the Money Hungry Compilation for the Clientel Family. Alsbrooks later started his own label White Dawg Records. His song "Right Here" featuring Jay Roc off his "Me Vs. Me" album became #1 in the U.S.A. on the MySpace rap charts.