American Choral Directors Association From the ACDA website: "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."
International Double Reed Society Access to selected section is restricted to IDRS On-Line subscribers.
The International Trumpet Guild The International Trumpet Guild's purpose is "To promote communications among trumpet players around the world and to improve the artistic level of performance, teaching, and literature associated with the trumpet."
The Percussive Arts Society The Percussive Arts Society is a not-for-profit organization. Its purpose is educational, promoting drums and percussion through a viable network of performers, teachers, students, enthusiasts and Sustaining Members.
String Pedagogy Notebook A Resource for Teachers and Performers compiled by Michael Hopkins
International Tuba Euphonium Association The International Tuba Euphonium Association's purpose is "...to maintain a liaison among those who take a significant interest in the instruments of the tuba and euphonium family -- their development, literature, pedagogy, and performance."