The Untold Truth Of Pentatonix's Mitch Grassi

Mitch Grassi has grown so much since he started his singing career in Arlington, Texas. These days, he's a bona fide singing superstar on the rise, working as one-fifth of Pentatonix and one-half of the singing duo Superfruit. But what makes this multiple-Grammy award winner tick? This is the untold truth of Pentatonix's Mitch Grassi.