Approximately 800 radio aircheck tapes of radio programs of black popular music (live and prerecorded), hosted by Johnny Otis, and featuring live interviews with blues and rhythm & blues artists from the 1940s, 1950s, and 1960s. Artists interviewed include Little Esther Phillips, Al Frazier, Mary Wells, Zola Taylor, the Coasters, Horace Silver, the Robins, Etta James, Big Jay McNeely, Bobby Day, Bumps Blackwell, Pee Wee Crayton, Jimmy McCracklin, and Joe Liggins. Also included are photographs, memorabilia, books, and compact discs.