❝ The music is created by playing a note for each newly discovered world. The pitch of the note indicates the relative orbital period of the planet. Planets that take a longer time to orbit their stars are heard as lower notes, while planets that orbit more quickly are heard as higher notes. ❞ *
See also: generative.fm
https://memora8ilia.com/index.php/2022/03/27/the-music-is-created-by-playing-a-note-for-each/