A collaboration between the American Choral Directors Association and the Library of Congress. Contains public domain choral music that users can download, information on the composers, and material related to historical context and stylistic features.

The official website about Leroy Anderson and his music

This site has been designed as a resource site for all music educators. The information gathered for this web site as well as the construction of the site itself serves as a partial fulfillment of the degree requirements for the Doctorate in Musical Arts

Website of the NMPA which includes information on the association and links to several associated sites. Information on copyright and legal issues.

Website of the Music Publishers' Association which includes information and lists, as well as contact information, for almost al music publishers.