Main Theme comes from Hans Zimmer's score for Interstellar (2014), which began with a single page Christopher Nolan sent him: a fable about a father leaving his child for an important job. Zimmer wrote for a day without knowing the film was about space, and Nolan told him the result held the heart of it.
Hand-arranged for solo piano, the Simple version keeps the theme intact and the engraving professional.
The fuller reading: Main Theme (Medium). Elsewhere in the score: First Step.
