1. 'The Sing-Off' Finale: Pentatonix Takes The Trophy

    November 29, 2011 10:30 AM EST 0 0 0 Pentatonix, a quintet created a week prior to auditions for "The Sing-Off," walked away with the NBC show's trophy, $200,000 top prize and a Sony Music recording contract Monday night. The group, with a trio of childhood friends from ...