An all-star celebrity lineup headed by Stevie Wonder and Aretha Franklin performed at the Radio City Music Hall in New York City for The Dream Concert to benefit the Washington, D.C. Martin Luther King, Jr. National Memorial. These never before seen photos capture some of the performers and presenters who participated in the once-in-a-lifetime concert held in September 2007. (Some of the images were previously published in the Fall/Winter 2007 Sphinx Magazine.) Photos by Donald Baker.