WATCH: Pentatonix Covers Leonard Cohen's "Hallelujah"

Pentatonix is a 5 person vocal group from Arlington, Texas.  They are also one of the a capella groups I actually remember seeing on one of the seasons of The Sing Off On NBC.  Sure enough upon further investigation they actually won the third season of the show back  in 2011, earning them $200,000 and…

VIDEO: New Scene From Star Wars And Musical Tribute

In the tribute to composer John Williams, Pentatonix, an acapella group, along with a full symphony orchestra, brought chills to the American Music Awards stage last night.