Quintet's news, schedule, member biographies, audio and video, CDs, photos, mailing list and contact and booking information.

Male octet-plus that performs benefits for local charities. Includes history, events, CD information, philanthropy and contact information.

Vocalist with Sweet Honey in the Rock. Site includes biography, news, calendar, links and information about upcoming workshops, instructional materials and Barnwell's Notes publishing.

Mixed sextet performs an eclectic mixture of jazz, swing and contemporary music. Upcoming performances, repertoire, audio clips, members, mailing list, links and booking information.

Six-member group adds electronic effects to its vocals. Upcoming shows, news, profile, members, audio clips, store, mailing list and booking information.

Mixed ensemble performs a wide variety of a cappella music for concerts, parties and events. Members, news, shows, sound samples, discography, photos, reviews, mailing list and booking information.

All-man a cappella group with a satirical streak. Includes history, biographies, schedule, contact information, merchandise, sound samples and a guide to all things cool.

Aka the Doo Woo Cops. Group consists of active and retired D.C. police officers. History, sound samples and contact information.

Co-ed a cappella group performing classic tunes and jazz standards to contemporary rock and pop. History, profiles, sound samples, CDs, upcoming performances and booking information.

African-American women's a cappella quintet sings spirituals, gospel, blues, R&B, work songs, songs of praise, love and protest. Events, biographies, reviews, recordings, sound samples, photos and booking information.

Twelve-person ensemble of the Lesbian and Gay Chorus of Washington, performing pop, light jazz and folk. Members, photos, CDs, mailing list, booking information and links.

Male a cappella ensemble of the Lesbian and Gay Chorus of Washington. Includes calendar, member biographies, links and contact information.

Eight-voice mixed a cappella ensemble whose repertoire ranges from jazz, rock, pop and oldies, to original tunes and musical parodies. Includes schedule, members, photos and MP3s.

The a cappella ensemble of the Gay Men's Chorus of Washington.

Vocal band with a mix of pop, rock, world and funk influences. News, shows, booking information, biographies, pictures, audio and store.

Co-ed a cappella quintet/sextet that performs pop, jazz, doo-wop and novelty repertoire. History, members, shows, CDs, sound samples, repertoire, audition and booking information, links and mailing list.

Male octet boasts repertoire from Gregorian chant to classic rock and TV theme songs. News, concerts and events, members, repertoire, photos, press, guestbook, mailing list, store, booking information and links.

Seven-member co-ed a cappella group performs a mix of music, from '80s hits, to current pop, to local artists' works. Members, shows, repertoire, photos and booking information.

Co-ed group performs a mixture of '80s, Top 40 and alternative pop music throughout the Washington area. Biographies, history, gigs, repertoire, photos, sound samples and contact information.