Pentatonix, the famous GRAMMY Award-winning acapella group that struck fame after winning the third season of NBC‘s The Sing-Off in 2011, has had connections with K-Pop stretching back to 2017. (From left:) Pentatonix’s Kirstin, Kevin, Matt, Scott, and Mitch | @ptxofficial/Instagram Pentatonix members Scott Hoying and Mitch Grassi, who formed their own project group Superfruit, […]