Music by Kevin MacLeod (original composer: Pyotr Ilyich Tchaikovsky). Available under the Creative Commons Attribution 3.0 Unported license. Download link: https://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100270

MacLeod's description:

Genre: Holiday
Length: 1:46
Instruments: Orchestra (full) featuring Celesta

Tchaikovsky's famous dance from the Nutcracker Suite. 008
ISRC: US-UAN-11-00270
Bright, Calming, Mystical 2006