David Nadien was an American classical violinist and Mannes College of Music teacher. The collection includes programs, contracts, reviews, biographies, obituaries, awards and honors, photographs, public relations materials, a small amount of correspondence, sheet music, and a 1952 "Seasons Greetings" ceramic plate from the television variety show, "Your Show of Shows."

Julius Rudel (1921-2014) was an opera and orchestra conductor who graduated from the Mannes School of Music in 1942. He served as music director for several organizations, most notably as director and principal conductor for New York City Opera from 1957 to 1979. The collection includes annotated conducting scores, notes, a scrapbook of news clippings, programs and playbills, correspondence, biographical material, and photographs.

This collection of formerly bound concert programs for the Mannes Chamber Ensemble and the Mannes Orchestra was compiled by former Mannes School of Music orchestra manager Kelly Edwards.