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 then you also get snoop dogg. ♪ one, two, three and to the four ♪ ♪ snoop doggy dog and dr. dre is at the door ♪ >> ooh, boy. snoop doggy dog and dr. dre at the door. it's crazy. they knocked the door down, baby. ♪ g thing baby ♪ ♪ we're crazy ♪ >> 70% of rap music, including gangsta rap, was purchased by whites. >> growing up in st. paul, minnesota, my friends and i thought that compton and south central must be the coolest places in the world based on this music.