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=USUAN1100625

MacLeod's description:

 
Dance of the Sugar Plum Fairy
Genre: Classical
Length: 2:00
Instruments: Orchestra, Celesta
Tempo: 53

Tchaikovsky's piece, amped up a little bit and slightly arranged for more punch and bass.
ISRC: US-UAN-11-00625
Bright, Humorous 2009