Mitchell Coby Michael, popularly known as Mitch Grassi, is a young American songwriter, singer and Youtuber. He gained fame as one of the lead singers and youngest member of the A Cappella vocal band ‘Pentatonix’. Pentatonix is an American Cappella (Vocal music without instruments) group from Arlington Texas that consists of five members - Avi Kaplan, Scott Hoying, Kristin Maldonado, Kevin Olusola and Mitch Grassi. The Youtube channel for Pentatonix (PTXofficial) has over 12 million subscribers, 2 billion views and is continuously growing. Grassi, along with the members of Pentatonix and their producer Ben Bram, are three time Grammy winners. Grassi has participated in many vocal and talent competitions, including the ‘Teen Talent Follies’, where he was judged at first position. He enjoyed doing stage performances and took part in musical theatre in his hometown at an early age. He is a counter-tenor with a voice that spans six octaves and one tone, from A1 to B7. Besides being a member of Pentatonix, in August 2013, he and Scott Hoying started a web-show called ‘Superfruit’ on Youtube which they both co-hosted and gained quick popularity. While continuing to be the lead singer of Pentatonix, he wishes to enhance his career in music production with the ambition of becoming a professional electronic musician and DJ.