Mopreme's first recorded appearance, under the alias Mocedes, was on Tony Toni Toné's hit single "Feels Good" in the year 1990. His first collaboration with his brother was on the single and video "Papaz Song", from the 1993 album Strictly 4 My N.I.G.G.A.Z. under the name 'Wycked'. In 1993 Mopreme and his brother Tupac formed the group Thug Life with friends Big Syke, Macadoshis and Rated R. On September 26, 1994, the group released the only Album Thug Life: Volume 1 which went Gold. Mopreme has been credited as a Writer for many significant tracks on this album. He was an original member of both his Thug Life group, as well as a premier member of Outlawz. Mopreme, as well as Big Syke dropped out of the group, but contrary to rumors, was never signed to Death Row Records.