Hello Greg, it would help to understand your problem if you gave us some example. Multiple trill spans can be achieved by using multiple Voices:
<<
{ c''1\startTrillSpan 1 1\stopTrillSpan }
\\
{ c'1\startTrillSpan 1 1\stopTrillSpan }
>>
If you need the notes to be within the same voice you can add a helper voice
to place the trill spans:
\new Staff <<
{ <c' e' f'>1 1 1 }
\new Voice { \voiceOne s1\startTrillSpan s s\stopTrillSpan }
\new Voice { \voiceTwo s1\startTrillSpan s s\stopTrillSpan }
>>
Cheers,
Valentin
Am Sonntag, 9. Juli 2023, 14:16:39 CEST schrieb Gregory Evans:
> Hi all,
> I was wondering if anyone has a technique for trills with more than one
> trill pitch. I have been using custom text spanners drawn with the trill
> shape and I've used some fancy tweaking on a group of after-grace notes. I
> recently ran into a problem (which is not necessarily the purpose of this
> question) where the placement of the after-grace notes interrupted some
> other grob. Anyway I was hoping someone might have already been clever
> enough to put something together where more than one trill pitch can be
> added to a trill and the spanner will add an extra line for every extra
> pitch. I don't know how one would access the trill pitch grobs to modify
> them, which would be the ideal technique I think.
>
> best,
> greg
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