He talked a lot about the score needing a sort of cosmic pain to it, Hurwitz recalls.

It needed to be otherworldly, but also very emotional.

The movie goes back and forth between being very intimate and very grand, Hurwitz says.

Film Title: First Man

Credit: Daniel McFadden/Universal Pictures

It couldnt sound like a traditional orchestra, and it couldnt sound like jazz.

What I love about a theremin is the interesting intersection between technology and humanity, Hurwitz says.

It almost feels like youre dancing with it as you play it.

We actually started building that track before Damien even shot the movie, Hurwitz explains.

Its also the best example of the theremin and how it can sound both futuristic and deeply haunting.

TheFirst Mansoundtrack will be released Oct. 12.