Re: parallel versus series scoring

[Han-Wen Nienhuys]

Nicolas Sceaux wrote:
> Han-Wen Nienhuys <address@hidden> writes:
>
>
> > Why not do
> >
> >  \parMusic #'(A B C)  { c | e | g  | d | f | a}
> >
> > which expands to  { }, and defines the following vars in the parser
> >
> >   A = { c d }
> >   B = { e f }
> >   C = { g a }
> >
> > then, the user can decide for himself how to structure A B and C.
>
>
> Another attempt. I had to make ly:music-message public first (in
> scm/music-functions.scm). BTW, I may be missing something obvious for
> getting music expression origin locations (see music-origin

You're looking for the 'origin property,

 (ly:message (ly:music-property m 'origin) "blah")

As final finish, something should be  added to the 
process-toplevel-music hook so that you can make it ignore the result of 
 \parallelMusic. Maybe set a #'void property in the returned value, and
ignore a music expression  with #'void in

  collect-music-for-book

--
 Han-Wen Nienhuys - address@hidden - http://www.xs4all.nl/~hanwen