Pentatonix sings beautiful a capella rendition of 'Carol of the Bells'
A cappella singing group Pentatonix released another song to get you in the Christmas spirit. Their cover of "Carol of the Bells" is available on Pentatonix's holiday album, PTXmas.
The five-person a cappella group formed to compete in the NBC show "The Sing Off" and is currently on tour.
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