Pentatonix - Say Something "A Great Big World & Christina Aguilera Cover" (acoustic cover) *****

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. 

Simply sublime ...

Pentatonix es un grupo americano de capella de cinco vocalistas, Scott Hoying, Kirstie Maldonado, Mitch Grassi, Avi Kaplan y Kevin Olusola, procedentes de Arlington, Texas.

Simplemente sublime...

More Info:  http://ptxofficial.com/