Pentatonix is an 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, singing an a cappella arrangement of "Eye of the Tiger", 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 albums chart. Pentatonix is currently touring and recently released their album, PTX Vol. 2 on November 5, 2013.