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'A Pentatonix Christmas Special' preview: See group perform 'Joy To The World'

The live performance will be featured on the Grammy-winning a cappella group's upcoming NBC holiday special.
/ Source: TODAY

Hallelujah! The holidays are about to get even more harmonious, thanks to Pentatonix.

The Grammy-winning a cappella group hosts "A Pentatonix Christmas Special" Dec. 14 on NBC, and they'll be swinging by TODAY the day before to get everyone in the holiday spirit.

We apologize, this video has expired.

But why wait until then? has a sneak preview from "A Pentatonix Christmas Special" to get you feeling festive right this very minute.

RELATED: Chills! Listen to Pentatonix's cover of 'Hallelujah' from their new Christmas album

Watch as the quintet's members, Avi Kaplan, Scott Hoying, Kirstin Maldonado, Kevin Olusola and Mitch Grassi, perform a soaring rendition of "Joy To The World."

A Pentatonix Christmas
Pentatonix's Christmas special airs on NBC Dec. 14.NBC

The hourlong special, which also stars Grammy-winning singers Kelly Clarkson and Reba McEntire, finds Pentatonix belting out —and beatboxing along to — holiday and pop classics from the group's third album, "A Pentatonix Christmas," featuring their glorious rendition of Leonard Cohen's classic tune "Hallelujah," and other traditional and modern Christmas songs like Irving Berlin's "White Christmas," Bing Crosby's "I'll Be Home For Christmas" and 'NSYNC's peppy "Merry Christmas, Happy Holidays."

"A Pentatonix Christmas Special" airs Dec. 14 at 8 p.m ET on NBC.