Fonds contains records include scripts, scores, correspondence and papers, reports, photographs, films, lectures, and interviews documents Applebaum's activities as a composer, conductor, and arts administrator.

Fonds consists of material that documents Hoffert's career as a composer, musician, author and arts administrator and includes musical scores from the 1950s to the 1990s, audio-visual recordings, administrative files, photographs, clipping and other memorabilia, copies of awards, diaries, e-mail correspondence, drafts of his books and other material.