 Ice-T was one of the first rappers to call himself a "playa" and discuss guns on record, but his theme tune to the 1988 film "Colors" contained warnings against joining gangs.Gangsta rap, made popular largely because of N.W.A, brought rapping about crime and the gangster lifestyle into the musical mainstream.Materialism has also been a popular topic in hip-hop since at least the early 1990s, with rappers boasting about their own wealth and possessions, and name-dropping specific brands