. >> timberland was a little more technologically dense and ethereal, whereas pharrell wasn't as out there. he did like dance tracks. i said, it's getting hot in here, so take off all your clothes. >> i am getting so hot i wanna take my clothes off. >> it was a little more gritty. it was very, very intricate, but very rhythmically driven. oh, this my. >> all the girls stomp your feet like this. >> pop stars figure out that you need hip hop cred. and you need a hip hop producer. cause there ain't no hollaback girl. >> there ain't no hollaback girl. >> the most interesting thing about the 2000 was that you had a grouping of hip hop producers who were crossing over into topping pop charts. >> kanye is another one. you know, he's producing and working with jay-z and alicia keys and ludacris and janet jackson. but you know, in there he wants to be his own star. so he releases his first album, the college dropout. yo g, they can't stop me from rapping. >> kenny, the first single for college dropout was a song called through the wire. i spit it through the wire, man. kanye west gets into a