Includes bibligraphical references and index.

1939-1964. Billie Holiday, "Strange fruit" ; Woody Guthrie, "This land is your land" ; Zilphia Horton, Frank Hamilton, Guy Carawan, and Pete Seeger, "We shall overcome" ; Bob Dylan, "Masters of war" ; Nina Simone, "Mississippi Goddam" -- 1965-1973. Country Joe and the Fish, "I-feel-like-I'm-fixin'-to-die-rag" ; James Brown, "Say it loud, I'm Black and I'm proud" ; Plastic Ono Band, "Give peace a chance" ; Edwin Starr, "War" ; Crosby, Stills, Nash, and Young, "Ohio" ; Gil Scott-Heron, "The revolution will not be televised" ; Stevie Wonder, " Living for the city"-- 1973-1977 (Chile, Nigeria, Jamaica). Victor Jara, "Manifiesto" ; Fela Kuti and Afrika 70, "Zombie" ; Max Romeo and the Upsetters, "War ina Babylon" -- 1977-1987. The Clash, "White riot" ; Carl Bean, "I was born this way" ; Linton Kwesi Johnson, "Sonny's lettah (Anti-Sus poem)" ; The Dead Kennedys, "Holiday in Cambodia" ; Grandmaster Flash and the Furious Five feat. Melle Mel and Duke Bootee, "The message" ; Crass, "How does it feel?" ; Frankie Goes to Hollywood, "Two tribes" ; U2, "Pride (In the name of love)" ; The Special AKA, "Nelson Mandela" ; Billie Bragg, "Between the wars" ; R.E.M., "Exhuming McCarthy" -- 1989-2008. Public Enemy, "Fight the power" ; Huggy Bear, "Her jazz" ; The Prodigy feat. Pop Will Eat Itself, "Their law" ; Manic Street Preachers, "Of walking abortion" ; Rage Against the Machine, "Sleep now in the fire" ; Steve Earle, "John Walker's blues" ; Green Day, "American Idiot."