- Acoustical Society of America - Contains meeting and membership information, a list of publications, and a number of natural and man-made sound samples in the .au format.
- A Cappella Almanac - Official home of CASA - the Contemporary A Cappella Society of America. A source for news and information related to all-vocal music. Also features events, groups, albums, tips and advice, reviews, classifieds, web directory, and song arrangements library.
- Choristers Guild - An ecumenical organization of directors of children's and youth choirs and publisher of music and related materials. Includes information about events and scholarships.
- Conductors Guild - Includes listing of activities and publications, and downloadable composer contract forms.
- Film Music Society - Devoted to the preservation of classic Hollywood movie and television scores. Includes information about many Hollywood composers and film scorers, and membership information.
- Global Alliance of Performers - Non-profit group based in Washington state joining together musicians, performers, producers, artists and journalists, seeking to improve the world.
- Johnny Mercer Foundation, The - A non-profit organization devoted to preserving and celebrating the Great American Songbook in the tradition of Johnny Mercer. Helps the blind to read and play music.
- Just Plain Folks - Organization of music industry professionals whose goals include the networking of members and the promotion of music worldwide. Includes a list of mentors, links and current member demographics.
- Music Fan Clubs Organization - Fan-oriented site providing up to date information about your favorite singers, groups and bands.
- NAMM: International Music Products Association - Members represent every aspect of musical instrument manufacturing and retailing. Information about membership, and all the promoted activities.
- NAPBIRT - National Association of Professional Band Instrument Repair Technicians. Includes a list of repair schools, details of regional clinics and membership.
- National Association of Negro Musicians - The oldest organization dedicated to the preservation, encouragement and advocacy of all genres of the music of African-Americans in the world. Contains general association information, and links to information on many of the members.
- Rock & Roll Library - Works to recognize the historical and cultural significance of popular music. Sponsorship information, newsletter signup, teacher resources, and gift shop.
- The Acoustic Performer's Guild - A non-profit organization dedicated to acoustic musicians and the creation and dissemination of unamplified, acoustic music. Basic membership and organization information.
- The Children's Music Network - A nonprofit association that now has members across the United States and Canada, including teachers, performers, songwriters, radio hosts, and parents who care about the quality and content of children's music. Includes event calendar, the magic penny award, and resources.
- The IMA Web - The International Music Association. Features classical music and provides a community for the public, music lovers, and musicians.
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