This video provides a retrospective of music and comedy from four Amnesty International benefit performances held in 1976, 1977, 1979, and 1981.This video provides a retrospective of music and comedy from four Amnesty International benefit performances held in 1976, 1977, 1979, and 1981.This video provides a retrospective of music and comedy from four Amnesty International benefit performances held in 1976, 1977, 1979, and 1981.