AutoChangeMusic

Used for making voices that switch between piano staves automatically.

Properties:

name (symbol):

'AutoChangeMusic

Name of this music object

iterator-ctor (procedure):

ly:auto-change-iterator::constructor

Function to construct music-event-iterator object for this Music

start-callback (procedure):

ly:music-wrapper::start-callback

Function to compute the negative length of starting grace notes. This property can only be defined as initializer in define-music-types.scm.

length-callback (procedure):

ly:music-wrapper::length-callback

How to compute the duration of this music. This property can only be defined as initializer in define-music-types.scm.

types (list):

'(general-music music-wrapper-music auto-change-instruction)

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