Menage-A-Cappella http://www.youtube.com/watch?v=So9e9wD11PM
MIT Logarhythms http://www.youtube.com/watch?v=h9zb_Gr8iLc
UCSD Beat http://www.youtube.com/watch?v=uqowQIZU5bI
Umass Dynamics http://www.youtube.com/watch?v=8dK2Qrvhh8A
UMD TrebleMakers http://www.youtube.com/watch?v=R-Nzgniv7QQ