With Over A Million Views In A Few Hours, Pentatonix's New Christmas Hit Is Going Viral

Pentatonix has hit gold again with their upbeat spin on a Christmas classic everyone loves. It is one of the oldest carols dating back to the 16th century and possibly even earlier. "God Rest Ye Merry Gentlemen" has its first know printed edition back in 1760, but since has been redone into many popular versions.