Actualización de la peticiónGive individual "natural" letter names to the "black" piano keys!An 'x' on the bottom line of the stave of first space above the bottom line is the key signature!
- -London, Reino Unido
7 mar 2026
An 'x' on the bottom line of the stave of first space above the bottom line is the key signature!
Notice that the stave looks different for the keys of B and C major (original keys Db and D major).
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