A rap I'm particularly fond of which is saying a lot since I traditionally don't listen to this kind of music:
[video=youtube;yVeToMZ3xdA]http://www.youtube.com/watch?v=yVeToMZ3xdA[/video]
[video=youtube;yVeToMZ3xdA]http://www.youtube.com/watch?v=yVeToMZ3xdA[/video]