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Render sheet music in a new base-12 notation with Codex
A musician used Codex to build a score renderer on MuseScore with custom note heads for his isomorphic keyboard.
- Difficulty
- IntermediateOur rating
- Time to build
- Not reportedOur estimate
- Monthly cost
- Not reported
- Revenue
- Not reportedWe only show revenue the source states
- Engagement
- 83 HN points79 comments Β· fetched Oct 15, 2026
What they did
jmole plays a new isomorphic keyboard with base-12 notation and used Codex to build a score-rendering backend on MuseScore with note heads showing each pitch class.
How it went
He says it has been pretty helpful for learning new music.
Worth knowing
Building on an existing engine (MuseScore) beat writing a renderer from scratch.
Builder recipe
Our own starting point, written from the source. Adapt it to your setup.
Stack
- Codex
- MuseScore
Steps
- Pick a repeatable format.
- Let the agent generate drafts or assets from your inputs.
- Edit and check facts and rights before publishing.
- Reuse the template for the next piece.
Starter prompt
Extend MuseScore rendering so each note head shows its pitch class as 0-9, X, Y. Convert this MusicXML file and output a PDF.Tags
Read the original
- Hacker News: news.ycombinator.com/item?id=50075665 β (opens in new tab) Oct 13, 2026 Β· 83 points, 79 comments (fetched 2026-10-15)
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