A cappella group, Pentatonix will be releasing their second album, PTX Volume 2 on November 5th exclusively through iTunes. It will include their cover of the Swedish House Mafia songs, “Save The World” and “Don’t Worry Child” as an album-only bonus track. PTX Volume 2 is currently available for pre-order on iTunes with an immediate download of their cover of “Can’t Hold Us” by Macklemore & Ryan Lewis. The album contains 8 new tracks, 3 of which are original songs. You can pre-order the album here.