Sorry for the thread hi-jack, but Chi Rho's latest album, "in reach" is now on amazon- check it out. They really are terrific and great representatives for MSD. They even have groupies!
My son, Glenn, is kneeling at the bottom right in the photo in the article.
http://news.wfu.edu/2011/04/15/songs-without-instruments/
http://www.amazon.com/reach-Chi-Rho/dp/B0053D9JDI
A college a capella male ensemble has groupies???!! GTFO.