Development notes
Development notes
Notes on how Tonograph is built, and on the decisions that ended up visible from the outside.
September 19, 2026
Letting an AI see what it wrote
Giving a model tools to edit a score is the easy half. The half that matters is letting it look at the result.
September 19, 2026
Writing our own renderer, and what it cost
Replacing the engine that drew the score made the app smaller and the notation ours. It also took the older Guitar Pro formats away.
September 19, 2026
Sound without samples
Why Tonograph generates every instrument while the score plays, instead of shipping recordings of them.