Mitch Grassi

Biography

Mitchell Grassi is an American singer from Arlington, Texas, known for his high tenor voice. As a founding performer, he rose to international attention with a cappella quintet Pentatonix and duo Superfruit, with Pentatonix achieving mainstream success and winning three Grammy Awards. Grassi has also ventured into solo music, releasing his debut single "Machine" as the artist Messer in 2021.