The argument could be made that hip-hop is the rock and roll of today. It's got the stars, the drugs and--most importantly--the music that's capable of shocking and awing. So it shouldn't be that surprising when a rock legend declares their appreciation for hip-hop, like Led Zeppelin's Jimmy Page recently did when he released his rework of Biggie's "Hypnotize." There's a handful of rock stars who have praised hip-hop and created music influenced by it. We compiled a list of some of them.