How about this:
\new Staff <<
{b,}
\new CueVoice {
\shiftOff\stemUp
\override Parentheses.font-size = #2
\override Parentheses.stencils =
#(lambda (grob)
(list (grob-interpret-markup grob (markup #:vcenter #:center-align
#:bold "["))
(grob-interpret-markup grob (markup #:vcenter #:center-align
#:bold "]"))))
\parenthesize b'
}
>>
Cheers,
Valentin
Am Sonntag, 4. August 2024, 16:31:48 MESZ schrieb Alasdair McAndrew:
> Hello,
>
> I have a situation where the main note is below the stave, and an
> alternative note is provided, an octave higher, which is in the stave.
> This alternative note has a small note head which is in (square) brackets,
> and its stem is in the same direction (up) as the main note. The stem of
> the alternative note is just to the left of the stem of the main note.
>
> I can get a reasonable effect using CueVoice, except that the
> alternative stem is to the right of the main stem, and I get a warning
> about needing a "\voiceXx or \shiftXx setting". But I can't get this
> alternative note in brackets: experiments with \parenthesize have so far
> not worked.
>
> Here's what I have for these notes (this is in bass clef):
>
> << {b,} \new CueVoice {<\parenthesize b'4>} >>
>
> So I have these questions:
>
> 1. How can I most easily move the cue note to the left?
> 2. How can I get square brackets around the cue note, and slightly larger
> and more spaced out, so as to be easier to see?
>
> Many thanks,
> Alasdair
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