Re: combining simultaneous notes

[Simon Albrecht]

Hello Arno,

Am 03.06.2015 um 16:26 schrieb Arno Waschk:
> dear list,
>
> (sorry for cross posting, i am not sure where to address correctly...)
Since this is about usage of the program, the user list is the right 
place. The devel list serves to coordinate development of Lilypond.
> i have a problem which seemed trivial to me, but i cannot resolve 
> according to the docs successfully:
>
> \version = "2.19.22"
> aa={a4 b4 a4 b4}
> bb={a4 g a g}
> \new Staff {
> <<
>   \aa
>   \bb
> >>
> }
> \new Staff{
> a4 <g b> a <g b>
> }
>
>
> prints two lines. How can i make the first to look like the second.
>
> \partcombine does not work for me in more complex situations.
>
> Is there something like \mergeAllNoteHeadsPossible    ?
No, indeed \partcombine is the solution we have for this task. It is way 
from being perfect (you’ll find a lot of issues on the tracker 
<https://code.google.com/p/lilypond/issues/list?can=2&q=partcombine&colspec=ID+Type+Status+Stars+Owner+Patch+Needs+Summary&cells=tiles>), 
so you’ll likely need manual adjustment (see the NR section on 
\partcombine 
<http://lilypond.org/doc/v2.18/Documentation/notation/multiple-voices#automatic-part-combining>). 
If that doesn’t help, you may come back to this list, ideally with a 
tiny example <http://lilypond.org/tiny-examples.html> of any specific 
problem, or read and follow the instructions in 
<http://lilypond.org/bug-reports.html>.

HTH, Simon