Pentatonix (abbreviated PTX) is an American a cappella 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 cov ... Show More