I never thought I'd say this, but I have a newfound respect for Eminem. His "Mosh" video, which attacks Bush and encourages people to vote, is pretty darn amazing. Strange that I didn't see it until now. Check it out. With his black hood on, don't you think Eminem looks like the Emperor from The Empire Strikes Back?
Sing along with the lyrics here.
I think we'll see more and more songs of protest crop up over the next four years. War is an ideal catalyst for great art.