A Cappella

The Beginning - All-vocal hip-hop CD from artist Sane CHUK Cristianwits includes rap covers and Christian originals.
sanechuk.tripod.com/scc.html

Primarily A Cappella Radio - Web-based streaming RealPlayer radio featuring a variety of programs playing different styles of a cappella music.
www.singers.com/radio/

RARB - Recorded A Cappella Review Board - Independent reviewers rate recent CDs according to criteria such as tuning, blend, production quality and soloists. Submissions.
www.rarb.org/