Pentatonix won The Sing Off last year. I can’t wait to hear more from them!
If you like a capella music, the International Championship of Collegiate A capella (ICCAs) are going on now and there are tons of videos from this year and the past couple years (just youtube “2011 ICCAs a capella”). Also, this blog follows the competition.
Last year the Vanderbilt University Melodores won 3rd place overall and were the ICCA Wild Card Champions: