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=USUAN1100879

MacLeod's description:

Genre: Soundtrack
Length: 0:55
Instruments: Percussion, Strings, Brass
Tempo: 141

Superlatives abound in this giant orchestral/industrial piece. To be played loud. From the original soundtrack to "The Last Stand of the Mechanolith".
ISRC: US-UAN-11-00879
Action, Aggressive, Dark, Driving, Epic 2011