Gregorian accidentals and key signatures

Accidentals for the three different Gregorian styles are available:

[image of music]

As shown, not all accidentals are supported by each style. When trying to access an unsupported accidental, LilyPond will switch to a different style.

How to switch between styles is covered in Alternate accidental glyphs.

See also

Music Glossary: accidental, key signature.

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

Internals Reference: KeySignature.

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