Pentatonix Talk Winning ’The Sing-Off’ & Debut Album

Pentatonix Talk Winning ’Sing-Off’ & Debut Album Subscribe | Send Chels a Tweet! | Follow Hollywire! | We recently caught up with the amazingly talented Pentatonix on the rooftop of the Hollywire offices. The five-member A capella group dished on how winning NBC’s ’The Sing-Off’ has changed their lives, talked about their goals as a group, and revealed their pre-performance rituals.