premise: Ice-T began his career as a rapper in the 1970s.
hypothesis: Ice-T . He began his career as a rapper in the 1980s and was signed to Sire Records in 1987 , when he released his debut album Rhyme Pays , one of the first hip-hop albums to carry an explicit content sticker . Ice Cube . He began his career as a member of the hip-hop group C.I.A. and later joined the seminal rap group N.W.A ( Niggaz With Attitudes ) .