• American Choral Directors Association
  ACDA's 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.  

• Bay Area Classical Music
  Links to Bay Area classical music, including a large listing of choral and vocal music groups maintained by Stanford University's KZSU.  

• Chanticleer: An Orchestra of Voices.
  The website for this Grammy winning choral group based in San Francisco.  

• Choral Archive
  Links to choral groups in the San Francisco Bay Area.  

• Choral Ensemble Links
  A comprehensive list of San Francisco Bay Area choral groups from the Maestro Website.  

• ChoralNet
  Home of Choralist, ChoralTalk, ChoralAcademe, Web Message Boards, and many other Internet resources for the choral music world. ChoralNet is also the official Website of the International Federation for Choral Music.  

• ChoralWeb
  "Paperless" publisher providing choral music to musicians via the World Wide Web and the Internet. Musical compositions are available in PDF files (like Bay Section's TEMPO newsletter).  

• Chorus America
  The national service organization that promotes the highest artistic quality, development and growth of vocal ensembles, advocates the fair remuneration of professional singers and choruses that provide professional services, and stimulates greater understanding, appreciation, and enjoyment of choral music throughout North America.  

• D and J Records
  DJ Records provides recordings of quality vocal ensembles of special interest to choral directors and their singers.  

• Gilbert and Sullivan Archive
  Site devoted to the operas and other works of William S. Gilbert and Arthur S. Sullivan. The Archive includes clip art, librettos, plot summaries, pictures of the original G&S stars, song scores, MIDI and mpeg audio files, and newsletter articles.  

• International Federation for Choral Music
  The IFCM facilitates communication and exchange between choral musicians worldwide through world and regional symposia, conducting master classes, the World Youth Choir, World Choral Census, International Choral Bulletin, World Day of Choral Singing, and many other projects.  

• International Lyrics Server
  View lyrics for over 50,000 songs from a database of 116,000 songs.  

• Metropolitan Opera Guild.
  Support group for the Metropolitan Opera Company of New York.  

• Musica
  International database of choral repertoire, serving as a search tool as well as a pedagogic tool for conductors, musicologists, schools of music, musical federations, music stores, and also for amateurs and people eager to know about the choral music repertoire.  

• National Association of Teachers of Singing
  A nonprofit organization dedicated to encouraging the highest standards of singing through excellence in teaching and the promotion of vocal education and research both for the professional advancement of the talented and for the enrichment of the general public.  

• New York Choral Society
  A symphonic chorus located at Carnegie Hall in New York City.  

• New York City Opera
  New York City Opera was founded in 1943 to provide financially accessible opera performances to a wide audience—opera that would reflect the company's commitment to innovative repertory choices and the development of American opera.  

• Opera Glass
  An opera information server with detailed information, including performance histories, synopses, libretti, discographies, pictures, and pointers to many other opera servers.  

• Opera World
  Online store devoted to opera selling videos, laserdiscs, compact discs, and posters.  

• The Gregorian Chant Home Page
  The main purpose of the Gregorian Chant Home Page is to support advanced research on Gregorian chant, particularly in the graduate seminar "Problems in Early Christian Music" (Music 511) taught at Princeton University.  

• The Society for the Preservation and Encouragement of Barber Shop Quartet Singing in America
  Men of all ages, from all walks of life, who love to sing... Fans and friends who thrill to the sound of harmony... The Barbershop Harmony Society extends throughout the world. Explore the people and principles we who make up SPEBSQSA.