Bob Marley United a nation to change

What happened to such great artists calling us to rise up a speak out for our freedoms? Where are these people in America, rising up peacefully in artistic action to create change in our society?

Bob Marley Sung songs for all the oppressed people of the world, the "mental slaves"
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listen to leftover crack =]

or a mirriad of other punk bands... =]

ill pass on punk