Pentatonix Bring Their Sing-Off To Yahoo!

Exactly one year ago, NBC was not airing "The Voice," but another entertaining singing show, an a cappella competition called "The Sing-Off." While, sadly, 2011 turned out to be "The Sing-Off's" last season, before it was cancelled amid protests from its cult following, the winners of that third and final season, Pentatonix, have ironically gone on to become the series' far-and-away most successful alums.

While Pentatonix were competing on "The Sing-Off," they placed no fewer than 11 songs in the top 10 Soundtracks chart on iTunes, and since their win, their YouTube channel--which features a cappella covers of everything and everyone from Gotye to Gaga to "Gangnam Style"--has racked up nearly 30 million views. Additionally, their debut EP, PTX Vol. 1, recently entered the Billboard 200 at number 14 and the iTunes pop chart at number one, and they've sold out headlining shows across the country, with tickets for their new nationwide tour going on sale this week.

Pentatonix (Avi Kaplan, Kirstie Maldonado, Scott Hoying, Mitch Grassi, and Kevin Olusola) recently came by Yahoo! Music to perform not covers, but their own original tunes from their EP, "Show You How To Love" and "The Baddest Girl," as seen above. They also chatted with Reality Rocks about their stint on "The Sing-Off," the changing a cappella scene, why Ben Folds is such a great reality judge, and their new Christmas EP. (Side note: I'm convinced they got that EP's title PTXmas, from me--check out the 9:20 mark of the interview below!)

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