--
Knute Snortum


On Wed, Sep 11, 2024 at 9:40 AM Robert Garrigos <[email protected]> wrote:

> Hi,
>
> I have this piano excerpt I’m trying to reproduce:
>
> [image: Cursor_and_CP_Schum_47_pdf.jpeg]
> and I have this code:
>
> \score {
> <<
> \new PianoStaff
> <<
> \new Staff \relative c' {
> \key g \minor
> \time 3/4
> |
> { ef4^( c d~ | d8 c bf!4 a) }
>
> }
> \new Staff \relative c' {
> \key g \minor
> \time 3/4
> \clef bass
>
> | <<
> { \omit TupletBracket \omit TupletNumber \tuplet 3/2 4 { r8 ef, a c, ef a
> d, af' b | r8 c, g' bf d, g a d, fs} }
> \\
> { }
> \\
> { }
> >>
> }
> >>
> >>
> }
>
> which gives me:
>
> [image: exemple_ly_—_Lilypond.jpg]
> how can I have the bf and the a in the second measure shared across the
> staves??
>

A combination of \change Staff and \stemUp \stemDown will do the trick:

%%%
\version "2.24.4"
\language "english"

up = {
  \change Staff = "upper"
  \stemDown
}

down = {
  \change Staff = "lower"
  \stemUp
}

\score {
  <<
    \new PianoStaff
    <<
      \new Staff = "upper" \relative c' {
        \key g \minor
        \time 3/4
        |
          {  ef4^( c d~ | d8 c bf!4 a) }

      }
      \new Staff = "lower" \relative c' {
        \key g \minor
        \time 3/4
        \clef bass

        | <<
          {
            \omit TupletBracket
            \omit TupletNumber
            \tuplet 3/2 4 {
              r8 ef, a c, ef a d, af' b |
              r8 c, g' \up bf \down d, g \up a \down d, fs
            }
          }
          \\
          {  }
          \\
          {  }
        >>
      }
    >>
  >>
}
%%%

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