Source: https://youtu.be/0CCk5Vbd4Lo
Channel: JustFive a cappella
The christmas carol in an arrangement by Pentatonix adapted and sung by the austrian a cappella group JustFive
Source: https://youtu.be/K-Tyy6J1UXo
Channel: MSU Denver Music
Carol of the Bells, arranged by MSU Denver faculty member RJ Miller.
Performers: MSU Denver Festival Choir and Symphonic Band
Conductor: Michael Kornelsen