UNIVERSAL CITY, Calif., Nov. 29 (UPI) -- Pentatonix has been declared the winner of Season 3 of the American all-vocal singing competition series "The Sing-Off."
The group, which is comprised of Mitch Grassi, Scott Hoying, Avi Kaplan, Kirstin Maldonado and Kevin Olusola, won a Sony Music recording contract and $200,000.
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