Pentatonix is an American a cappella group from Arlington, Texas, consisting of vocalists Scott Hoying, Mitch Grassi, Kirstin Maldonado, Matt Sallee, and Kevin Olusola. 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 Scott Hoying: New fan! Hello! Mitch Grassi: Heeeello!! Kirstin Maldonado: Hi! Matt Sallee: With bass tone Hello Kevin Olusola: Hello