Perry Como & Mitchell Ayres & The Fontane Sisters
Kal Penn & Patton Oswalt
Gabriel Anderson & & &
William Ross & Paul Oakenfold
Various Artists & & RZA
Johnny Mathis
John Cho & Tom Lennon & Amir Blumenfeld & Kal Penn
Big Boi
John Cho & Amir Blumenfeld & Kal Penn
The City of Prague Philharmonic Orchestra
Tom Lennon
Bing Crosby
Gregory James Jenkins
Neil Patrick Harris &
Neil Patrick Harris
John Cho &
Bing Crosby
Lyrics for this song have yet to be released
Carol of the Bells was written by Mykola Leontovych.