Vocal
- 643
- Penny Loafers
- Mixed contemporary group and 1999 BOCA winners. Site contains repertoire and a few .wav files.
- 644
- Quaker Notes
- Penn's only all-female group. Repertoire ranges from "80's to Modern Rock to Motown to Jazz Standards."
- 646
- Bakers Dozen
- Traditional all-male group at Yale University. Site has quicktime video song samples.
- 647
- Concordia Recordings
- RealAudio enabled shopping location for recordings of The Concordia Choir, Band and Orchestra.
- 648
- Rockapella
- Official site. Provides history of the group, member profiles, tour dates, discography and photo galleries.
- 649
- PellaPusher.com
- For Rockapella Addicts and their Enablers. Includes concert pictures, and reports of adventures to Rockapella concerts.
- 650
- Sixty-Minute-Man: A Rockapella Fan
- Collection of Rockapella Mp3s. All sounds are created by the human voice, including the vocal percussion.
- 651
- After Hours Quartet
- Women's a cappella quartet from Poughkeepsie, NY. Members of Sweet Adelines International, Greater New York Region 15. Includes photos, upcoming performances, repertoire, audio and video clips.
- 652
- Bridges
- Entertains audiences throughout the Lower Mainland in a wide variety of venues. This SAI quartet is based out of Langley, British Columbia.
- 653
- Fusion
- A women's a cappella quartet in the greater Rochester, New York area. Also offers singing Valentines.
- 654
- Showcase
- A female a cappella quartet in the Nashua, New Hampshire area. Provides member profiles, photos, and contact details.
- 655
- Soundisfaction
- Quartet from Helsingborg, Sweden that sings and performs, in English and Swedish, everything from pop to old Swedish classics.