Rage Against the Machine
Everybody think thsat Rage Against The Machine is a violent group because their music is violent, but the lyrics of their songs expose the problem between power and society, and the problems of modern society. It's true that they're sometimes violent on stage, but it's to express their RAGE. When you listen and understand their music you'll also feel their rage and want to "take the power back from the bourgeousie".
To listen some of their music and hear their RAGE :
http://www.musicfanclubs.org/rage/media/mic-check.zip
RAGE AGAINST THE MACHINE is a group dedicated TO TAKING THE POWER BACK from the upper classes and giving it back to the people.
Read about the genesis of the "best band in the fuckin' universe":
http://www.geocities.com/SunsetStrip/Towers/6327/ragehist.html
Read about their political involvment:
http://ratm.com/new/benefits/main.html
thispage is a statement they made before a concert, showing their concern for human rights
another statement showing their political commitment:
http://imusic.com/showcase/modern/ragea.html