Macalester Choir (Flickr photo by _ambrown)

The Cat's Choir project (Flickr photo by Keith Williamson)

The John Brown University Choir (meeting the Speaker of the Northern Ireland Assembly, Flickr photo by niassembly)

Grand Rapids Symphony Youth Choruses (Shelli Fynewever)

Insieme Corale Ecclesia Nova (Leso Brothers)

Christmas Choir (Flickr photo by ikarl67)

Colburn Children's Choir at the Dorothy Chandler Pavilion

Manchester Amateur Choral Competition (Flickr photo by chaosmunkey)

Take Note! (Denver Women's Chorus ensemble) prepare for their holiday concert (Andrea Mitchell)

The Pink Singers (Flickr photo by chaosmunkey)

Andover Choral Society (Richard Booth)

Choir singing in Mandarin (Flickr photo by B. Tse)

New Trier High School choir (Northfield, IL) (Flickr photo by JKleeman)

Colburn Children's Choir

Kean University Concert Choir in Performance of Orff's Carmina Burana/Union, NJ (Dr. Mark Terenzi, Director of Choral Activities)

Teaneck Community Chorus (Matsui)

Alexandria Choral Society: Celebrating 40 Seasons (Cascades Photography)

Sine Nomine Denver, CO (Don Daly)

Angelus (Mt. Vernon, IN) at Church of the Ascension (Chicago) (Scott Smith)

Melodia Women's Choir of NYC (Andrew Frasz)

COR DA CAPO BENICARLÓ (Cor Da Capo Benicarló)

Kranj Gymnasium Choir, Slovenia (Flickr photo by Ekke Vasli)

Vox Femina Los Angeles (Kawabori Photography)