Author, composer, and music publisher Arthur Cohn (1910-1998) was a proponent of twentieth century chamber music. The chamber music scores in this collection, many by American composers, were compiled and donated by Cohn.

The collection consists of sound recordings of three Jubal Trio public performances held at The New School.

Menachem Zur (born 1942) is an Israeli composer who studied at Mannes College of Music (now, Mannes School of Music), and Columbia University. His compositions are influenced by modernism, post-tonal music, and set theory, as well as traditional Jewish music. The collection includes various chamber music scores by Zur, mostly in photocopy form, as well as a recording of several of his compositions.

New Musicians at The New School was a classical music concert series offered by the New School for Social Research from 1985 to 1993. The collection consists of audio recordings of some of these concerts.