Straight No Chaser- O Come, O Come, Emmanuel: https://youtu.be/PTbRvJTleSQ
Eclipse 6- Hamildolph (Hamilton Parody, possibly language?): https://youtu.be/M7sm49fHlyI
Citizen Queen- This Christmas: https://youtu.be/mcmnObOBaFs
Pentatonix- Carol of the Bells: https://youtu.be/DpwbyFltv6g
Voice Play- Have Yourself A Very Merry Christmas: https://youtu.be/_jCo47qr_vs
Peter Hollens- God Rest Ye Merry Gentlemen: https://youtu.be/h6IfsuQJaIk
Tonic Sol Fa- Santa Claus Is Coming To Town: https://youtu.be/nkTpBTNEiVY
BYU Vocal Point- Trans-Siberian Orchestra Cover: https://youtu.be/E_dxxaqt29M
King and Country- Little Drummer Boy: https://youtu.be/NzEX3QMuVPM
Postmodern Jukebox (ok, not all acapella) – I Want a Hippopotamus For Christmas: https://youtu.be/vuNH4kpuobc
Alex Boye (also not all acapella)- Go Tell It On The Mountain (Mowtown Style): https://youtu.be/pPVR-njnzBM
And my absolute favorite- Royal Chorale Society- Hallelujah Chorus from Isolation: https://youtu.be/_PQYVbd1Gwg
