The Soundtrack for Zexion has just been released! This is a special soundtrack release! In addition to the regular 79 songs in Zexion, it also includes FamiTracker project files for both music and sound effects from the game, with included commentary!
(Right Click the Soundtrack in your library -> Manage -> Browse local files to check these out!)
https://store.steampowered.com/app/3691900/