Mensural accidentals and key signatures

The mensural style provides a sharp and a flat sign different from the default style. Mensural notation rarely used a natural sign: instead the appropriate sharp or flat is used. For example, a B natural in the key of F major would be indicated with a sharp. However, if specifically called for, the natural sign is taken from the vaticana style.

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The way to use this style is covered in Alternate accidental glyphs. It is the default in the MensuralStaff context.

See also

Music Glossary: mensural notation, Pitch names, accidental, key signature.

Notation Reference: Pitches, Accidentals, Automatic accidentals, Alternate accidental glyphs, Accidental glyph sets, Key signature.

Internals Reference: KeySignature.

LilyPond Notation Reference v2.25.18 (development-branch).