The pounding drums 12/8 signature beat came about, according to the composer Brad Fiedel,
as follows: "... I think about the film and the machine and the chase... and somehow
I think it's just xx x xx -- I just played that" (https://youtu.be/9GAmD3_FU2g?t=108).
For a percussive effect slap the strings near the guitar bridge with your thumb.
[Intro]
Dm
.. . ..
[Part 1]
Dm F
Dm F C/G
Bb C
Bb F C Dm
.. . ..
[Interlude]
Choir - oohs and aahs
Dm C Bb F
.........
[Part 2]
Dm F
Dm F C/G
Bb C
Bb F C Dm
.. . ..
[Outro]
Dm
.. . ..