Berkeley Community Chorus and Orchestra
Boulder Chorale
Chatham Chorale
Chorus Austin
Heritage Chorale
Idaho-Washington Concert Chorale
Jamestown Community Chorus
Jackson Civic Chorus
Lancaster Chorale
Minnesota Chorale
St. Joseph Community Chorus
Sangre de Cristo Chorale
Summit Chorale
Susquehannna Chorale
Tempe Community Chorus
The CHORALE - Champaign-Urbana
Concord Chorale
Greenwich Village Singers
New Haven Chorale
Reston Chorale
Skagit Valley Chorale
Turtle Creek Chorale

American Choral Directors Association
British Choirs on the Net
Chorus America
CPDL - Choral Public Domain Library
Hear The Choirs Sing
IFCM - International Federation of Choral Music
Illinois Philharmonic Orchestra
The Silvis Woodshed (a good source for MIDI practice files)
Music Education Technology Web Sitings
Musica International Database of choral music
The Bach Chorales - JSB Workshop
"Just The Black Notes" - inspirational video