* More FM Nights' Best of Trending 2016 - Best Musical Group Performance *
Pentatonix have released a cover of the song 'Hallelujah' as part of their upcoming Christmas album.
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The video has already been viewed over 16 million times in just a few days. Feedback on their performance has been hugely positive, with fans taking to social media to express their love for their version.
Check out their stunning cover in the video above.