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 November 28, 2011 broadcast 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 Charts and their Christmas EP, "PTXmas," charted at #1 on the iTunes Holiday Albums chart.