Music by Kevin MacLeod. Available under the Creative Commons Attribution 3.0 Unported license. Download link: https://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100054

MacLeod's description:

Genre: Soundtrack
Length: 1:22

Sister piece to Earth Prelude. Battle sequence. 035
ISRC: US-UAN-11-00054
Epic, Driving, Unnerving, Dark 2005