Pentatonix was formed in 2011 and includes vocalists Scott Hoying, Mitch Grassi, Kirstin Maldonado, Matt Sallee, and Kevin Olusola. Avi Kaplan, the original bass singer left the group in September ...
Pentatonix is a singing group with Scott Hoying ... and Matt provides deep bass sounds. Since winning “The Sing-Off” in 2011, they’ve made hit songs and won three Grammy Awards.