It Came Upon a Midnight Clear by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100191
Artist: http://incompetech.com/


"Silent Night" Kevin MacLeod (incompetech.com) 
Licensed under Creative Commons: By Attribution 3.0
https://creativecommons.org/licenses/by/3.0/