Barlow Trail Chorus - A women's four-part harmony, a cappella chorus singing in the barbershop style from Canaby, Oregon. - http://www.barlowtrailchorus.com/
The Belles of Three Spires - Ladies close harmony chorus from Coventry, England who sing for fun and for their audiences, not for the glory. - http://www.thebelles.org.uk/
Bay Area Showcase Chorus - San Jose California chapter of Sweet Adelines International, has been entertaining the Bay Area with a cappella music, barbershop harmony style since 1956. - http://www.singharmony.org/
Buffalo Gateway Chorus - Member of Region 16, Sweet Adelines International, Inc. They sing 4-part harmony, in the barbershop style. Their repertoire includes show tunes and modern music as well as some favorites from the past. - http://www.harmonize.com/BGC/