[Lilypond-auto] Issue 3518 in lilypond: Support temporary divisi staves

[lilypond]

Status: Accepted
Owner: ----
Labels: Type-Enhancement

New issue 3518 by address@hidden: Support temporary divisi staves
http://code.google.com/p/lilypond/issues/detail?id=3518

In choral or orchestral music, there sometimes is the situation that a  
passage of music for multiple instruments usually written in a single stave  
gets complex to a degree where one wants to split into multiple staves  
temporarily.

Since the complex passages don't usually occur synchronized to line breaks,  
the use of multiple staves should extend forward and backward from the  
complex passage to the next line break.

The material used in the divided staves outside of the complex passage may  
be identical (when there is a unisono passage), but it may also be  
different if the voices are still split outside of the complex passage but  
simple enough to be placed in one staff.

I append a sketch of a user interface (the code compiles but does not do  
anything related to the specific problems of a divisi passage) that would  
be feasible for the "unisono outside of complex passage" scenario but is  
not sufficient for the split scenario.

It may, however, provide some inspiration for further fleshing out a  
reasonably nice user interface before turning towards the problem of  
actually implementing it.

Attachments:
        divisi-staves.ly  1.4 KB

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