KeyChangeEvent

Change the key signature.

Syntax: \key name scale.

Event classes: key-change-event, music-event and StreamEvent

Accepted by: Key_engraver and Key_performer

Properties:

name (symbol):

'KeyChangeEvent

Name of this music object

to-relative-callback (procedure):

#<procedure #f (x p)>

How to transform a piece of music to relative pitches

types (list):

'(general-music key-change-event event)

The types of this music object; determines by what engraver this music expression is processed.