Which artist was featured on The Dream Merchant Vol. 2 and was also a part of the duo Black Star.
The Dream Merchant Vol. 2:  The album has guest appearances by his former group, Little Brother, his fellow Justus League members, Sean Price, Big Dho, L.E.G.A.C.Y., Chaundon, Skyzoo, Keisha Shontelle, Big Treal, The A.L.L.I.E.S., Jozeemo, Tyler Woods, Joe Scudda, Buckshot, Sean Boog, D.O.X., O-Dash, Buddy Klein & Median, also outside performers (including some who 9th worked with) including Torae, Mos Def, Memphis Bleek, Jean Grae, Royce Da 5'9, Vandalyzm, Naledge (½ of Kidz In The Hall), Saigon, Camp Lo, Ness (of Da Band), Strange Fruit Project & Natural Born Spittas.
i don't know