Music by Kevin MacLeod (original composer: Edvard Grieg). Available under the Creative Commons Attribution 3.0 Unported license. Download link: https://incompetech.com/music/royalty-free/index.html?isrc=USUAN1200072

MacLeod's description:

Genre: Classical
Length: 2:33
Instruments: Orchestra

Edvard Grieg's famous piece from Peer Gynt (1876). You know this piece. Starts quiet - ends loud. This is a "cinematic mix" that is a little sharper than most recordings and less dynamic. Source recordings placed into the Public Domain by the MusOpen project. ISRC: USUAN1200072 Dark, Driving, Epic, Intense 2012