American Composers Alliance [ACA]
- Rita H. Mead
- , revised by Frances Barulich
- and Michael Boyd
American organization of composers. It was founded in 1937 by Aaron Copland, Virgil Thomson, Wallingford Riegger, and others to promote the interests of American composers of serious concert music. The Composers Facsimile Edition was established for the ACA in 1952 by Roger Goeb to make copies of members’ works more accessible in the interim between composition and publication, and the American Composers Edition was created in 1972 to publish members’ compositions. Composers whose work is published by the ACA retain copyright of their work. By 2011 the catalog contained more than 12,000 titles. Approximately 9000 titles are on deposit at the American Composers Alliance Collection, Special Collections in Performing Arts (SCPA), University of Maryland in College Park, Maryland. As of 2011, roughly 3500 titles, primarily representing work by longtime custodial and active members, have been digitized; since 2008, active members have been depositing their work in PDF format. The organization draws on both the digital collection and printed masters held at SCPA for its print-on-demand service. There is also a collection of composer history files on more than 500 past and current members that, as of ...