It is common to hear people say rock and roll music has lost its edge. Disillusioned by the sound of modern pop radio, many fans wonder why a revolutionary voice has not yet emerged to define these tumultuous times the way Bob Dylan, The Clash, and Public Enemy once did. In many people's minds, rock and roll is dead, killed off by Britney Spears and an MTV that has taken the music out of television.

"Rock 'N' Politics" aims to breathe new life into the spirit of rock and roll. It explains how the virtues of great political action are present in great rock music. By surveying the...