Maurice Peress (1930-2017) was an American orchestra conductor, arranger, author, and educator. The papers include audio and video recordings, clippings, contracts, correspondence, diaries, memorabilia, notebooks, photographs, posters, programs, research materials, reviews, scores, scrapbooks, and working files, sketches, and other materials.

Ulysses Kay (1917-1995) was a noted twentieth-century American composer. The collection includes audio reels, biographical materials, correspondence, diaries, phonograph records, photographs, programs, and scores.