Satisfactory has its own music soundtrack. So far the only known tracks are "Satisfactory - Trailer" and "Satisfactory - Dev Highlight Music", by Jannik Reuterberg aka Sleeper's Delight. The music used in Dev Highlight Videos was originally a demo written for an alternate, unreleased trailer.
Music in the game is divided into 3 main categories. Exploration, Night and Factory music. There are currently 3 known tracks, each for 1 category. "Dispersion" in Exploration music, "Post Tenebras" in Night music and "Pygmalion Effect" in Factory music.