Ptx, Vol. 4 (CD EP)

Three-time Grammy Award-winners and multi-platinum artists Pentatonix are set to release 'PTX Vol. IV - Classics.'

Their YouTube channel boasts close to 13 million subscribers, yielding over 2 billion video views, and their 2015 self-titled album has been certified gold after debuting #1 on Billboard 200.

Pentatonix is a five-member American a cappella group from Arlington, Texas. Along with their original material, the group is widely known for their medley-form song covers-their work characterized by pop-style arrangements with vocal harmonies, basslines, riffing, percussion and beatboxing. Includes their cover of John Lennon's "Imagine" and "Jolene" (featuring Dolly Parton).