Bonnie Raitt and Freebo performing on set at the filming of "Hair", Washington, D.C., April 15, 1978

Blues and rock musicians Bonnie Raitt and Freebo performing on the set of the American musical motion picture "Hair" on April 15, 1978. Raitt performed on the National Mall as part of a concert that drew thousands, who were then filmed for a crowd scene used in the "Hair"'s finale. The photograph was taken by Don Hamerman who photographed the set and filming of "Hair" for the portion of production that took place in Washington, D.C. Hamerman was then a staff photographer for "Unicorn Times," a monthly performing arts periodical in Washington, D.C