PartCombineMusic

Combine two parts on a staff, either merged or as separate voices.

Properties:

name (symbol):

'PartCombineMusic

Name of this music object

length-callback (procedure):

ly:music-sequence::maximum-length-callback

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

start-callback (procedure):

ly:music-sequence::minimum-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.

types (list):

'(general-music part-combine-music)

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

iterator-ctor (procedure):

ly:part-combine-iterator::constructor

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