New York Chapter of the American Choral Directors Association Founded in 1959, the American Choral Directors Association (ACDA) is a nonprofit music-education organization whose central purpose is to promote excellence in choral music through performance, composition, publication, research, and teaching. In addition, ACDA strives through arts advocacy to elevate choral music’s position in American society. Nyacda.org~Site InfoWhoisTrace RouteRBL Check