## 1.7 accidental

ES: alteración accidental, I: alterazione, accidente, F: altération accidentelle, D: Versetzungszeichen, Akzidenz, NL: toevallig (verplaatsings)teken, DK: løst fortegn, S: tillfälligt förtecken, FI: tilapäinen etumerkki.

An accidental alters a note by:

- Raising its pitch:
  - By two semitones—double sharp
  - By one semitone—sharp
- Lowering its pitch:
  - By one semitone—flat
  - By two semitones—double flat
- Or canceling the effects of the key signature or previous accidentals.

#### See also

alteration, semitone, whole tone.

#### LilyPond — Music Glossary v2.18.2 (稳定分支).