Pentatonix

Pentatonix is an American acappella group from Arlington, Texas, consisting of vocalists Scott Hoying (baritone), Mitch Grassi (tenor), Kirstin Maldonado (mezzo-soprano), Kevin Olusola (vocal percussion), and Matt Sallee (bass). Characterized by their pop-style arrangements with vocal harmonies, basslines, riffing, percussion, and beatboxing, they produce cover versions of modern pop works or Christmas songs, sometimes in the form of medleys, along with original material.