Pentatonix is an American a cappella group of five vocalists, Scott Hoying, Kirstie Maldonado, Mitch Grassi, Avi Kaplan and Kevin Olusola, originating from Arlington, Texas. The group won the third season of The Sing-Off on NBC in 2011, singing an a cappella arrangement of "Eye of the Tiger," which was originally performed by the band Survivor, as their victory song. Pentatonix won $200,000 and a recording contract with Sony. Their debut EP, PTX Vol. 1, charted at #14 on the Billboard 200 and their second release, PTX Vol. 2, debuted #10 on the Billboard 200. Pentatonix is currently preparing for their worldwide tour in 2014.