Nebula Sound System — user manual

For the version in VERSION (this copy was written for 0.3.0-alpha.272, 2026-11-01). Every picture here is a real screenshot of that build, taken by the app itself.

Nebula is alpha software. It can write, arrange, mix and export real music today — the songs and pictures in this manual were made in it — but it is under active change, and a few things are knowingly missing (see §18).