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American Choral Directors Association (ACDA) Service organization for choral directors
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ACDA National Committee on Women's Choirs Womens Chorus Repertoire Lists
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a-cappella.start4all.com All about a cappella groups
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The Aria Database Comprehensive descriptions of over 1000 arias
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Contemporary A Cappella Society The source for all things a cappella
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ChoralNet Internet center for choral music. A very thorough site.
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ChoralNet Repertoire Site Cooperative site
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ChoralWiki: Choral Public Domain Library Over 9000 free public domain scores
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The Choral Singer Choral magazine
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The Choristers GuildNurturing the spiritual growth of children through music
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EarMaster Interval Chart Find songs using various intervals
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8notes.com Free sheet music downloads for all instruments
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GetLessonsNow.com Free online search for instructors
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Gregorian chant Home Page from Princeton
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International Journal of Research in Choral Singing (IJRCS) With online articles
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Language Dictionaries: French-English | German-English | Italian-English
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Just Sheet Music Sheet music resources for all instruments, voice, etc.The Lied, Art Song and Choral Texts Archive
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Metropolitan Opera Everything you want to know about the Met
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Musica International Database of Choral Music On-line database of over 164,000 entries
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National Association for Music Education NAfME - for All Music Educators, K-12 and Collegiate
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National Association of Teachers of Singing (NATS) Service organization for voice instructors
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Operaitaliana Biographies, librettos, recordings of the great Italian opera composers
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Sweet Adelines International International womens choir organization
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Thea van der Putten's Recommended Repertoire for Singers Listings for lied, oratorio and opera