Flyers, photographs, negatives, meeting notes, financial records, press releases, member rosters, correspondence, notes, memoranda, sheet music, performance programs, publicity handouts, magazines, and clippings documenting activities of the Gay Men's Chorus of Los Angeles (GMCLA), 1979-2000. According to its website, GMCLA was "Born during the emergence of the late 1970s [founded in 1979] gay civil rights movement [and is] . . . committed to advancing social change through music."