Developer creates custom music notation system for isomorphic keyboard

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A developer has created a novel sheet music notation system designed for a specific type of musical instrument. The system uses a base-12 numeric and symbolic representation for each pitch class within the 12-tone equal temperament framework. It was built using Codex and integrates with the MuseScore platform to render scores with custom note heads. The creator shared the project on Hacker News, stating it has been helpful for learning to play their isomorphic keyboard.

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