>> long as it's violence, it's going to be rap music, gangsta rap music, whatever. >> nwa was always too hot to hold. it had to splinter. and the first person who walks away is ice cube. ♪ tried to kill me ♪ >> same reason ice cube left the group is the reason i left. you know, tired of making other people money. it's my turn. ♪ tonight's the night i get in some -- ♪ ♪ deep cover on the incognito tip ♪ >> suge knight, who wasn't a real gangster, got into cahoots with dr. dre and said, dre, we should start our own record label, which became death row records. >> knight, 6'3", 330-pound former bodyguard, has become one of the most feared men in the music business. >> you got dr. dre, who probably makes beats better than anybody. this guy delivers a hit. >> dre put out his first solo album "the chronic." not only do you get dre, but