The collection consists of music manuscripts of compositions by Eugene W. Hancock. It also includes biographies of Hancock and other Black composers, a letter from Robert J. Batastini (G.I.A. Publications), "Spiritual Lullaby" by William B. Cooper, "Funf Stucke fur Orchester" by Anton Webern, and the 1990-1991 choral music schedule for West End Presbyterian Church.

The collection documents the career of Mickey Thomas Terry as an organist and historian of African American classical music.

It includes correspondence, music programs, posters, interviews with George Walker and Jean Guillou, music recordings, clippings, and other materials related to African American composers and organists. Other individuals who are represented in the collection include David Hurd, Ruth Norman, Noel Da Costa, and William B. Cooper, among others.