Music by Kevin MacLeod (original composer: James Pierpoint). Available under the Creative Commons Attribution 3.0 Unported license. Download link: https://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100188
MacLeod's description:

Genre: Holiday
Length: 2:21
Instruments: Celesta, Violin

Quite a calm arrangement of a piece that should probably be more joyous. Slow and free. This isn't really a sing-along type recording. 004
ISRC: US-UAN-11-00188
Relaxed, Eerie 2005