ACCIDENTALS
SIGN NAME MEANING | Flat | Lowers the pitch of a note by one semitone. |
| Sharp | Raises the pitch of a note by one semitone. |
| Natural |
Cancels a previous accidental, or modifies the pitch of a sharp or flat as defined by the prevailingkey signature (such as F-sharp in the key of G major,for example
|
| Double flat |
Lowers the pitch of a note by twochromatic semitones. Usually used when the noteto be modified is already flatted by the key signatutre
|
 | Double Sharp |
Raises the pitch of a note by two chromatic semitones.Usually used when the note to be modified is alreadysharped by the key signature
|
| Flat Key Signature | A
semiquaver/sixteenth note is half the length of a quaver and played for
one sixteenth the duration of a whole note (hence its other name).
Played in groups semiquavers sound fairly fast because of their length. |
| Sharp Key Signature | A demisemiquaver/thirty-second note is half the length of a semiquaver and played for 1/32 of the duration of a whole note (hence its other name). Played in groups demisemiquavers (and all others shorter in length than it) sound verly fast because of their length. |
