Pentatonix (abbreviated PTX) is a five-member American a cappella group. Pentatonix formed in 2011 and subsequently won the third season of NBC's The Sing-Off, receiving $200,000 and a recording contract with Sony Music.
God Rest Ye Merry Gentlemen is one of the 11 tracks featured on their new album, A Pentatonix Christmas.
On December 14, 2016 on NBC the group had a heartwarming night of stars, song and celebration: "A Pentatonix Christmas Special" celebrates the holiday season with a one-hour television event where viewers can enjoy the Grammy Award-winning musical phenomenon Pentatonix performing an array of classic holiday tracks as well as modern favorites. Featuring superstar Reba McEntire, Grammy Award winner Kelly Clarkson and more!
Pentatonix also had a cameo role in Pitch Perfect 2, released in May 2015, as the Canadian team competing against the Barden Bellas.