I major and J major (Ab major an A major in the old system)

Mise à jour sur la pétitionGive individual "natural" letter names to the "black" piano keys!I major and J major (Ab major an A major in the old system)

- -London, Royaume-Uni

15 mars 2026

The key signatures for I major and J major (with "upper G" marked and highlighted)

These keys are the same as A-flat major and A major in the traditional system.

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