Re: matching unequal bars in separate staves

[Neil Puttock]

On 7 February 2011 20:27, Shane Brandes <address@hidden> wrote:
> That works. Sort of ugly but it works.

This snippet shows the correct approach:

http://lilypond.org/doc/v2.12/input/lsr/lilypond-snippets/Rhythms#Changing-time-signatures-inside-a-polymetric-section-using-_005cscaleDurations

\header {
  % Remove default LilyPond tagline
  tagline = ##f
}

\paper {
  #(set-paper-size "letter" 'landscape)
}

global = { }

rightPianoI = \relative c'' {
  \global \time 2/4
  % Music follows here.
  a8] r d a r d[ a] r d, a' r d[ a] r r4
}

leftPianoI = \relative c'' {
  \global \clef "treble"
  % Music follows here.
  \time 2/4  r8 g[ d]  r g[ d] r g[ d] r g[ d] r g[ d] r
}

rightPianoII = \relative c'' {
  \global
  % Music follows here.
  \scaleDurations #'(4 . 3) {
    \time 2/4
    \set Timing.measureLength = #(ly:make-moment 2 3)
    a8 r8 r8 d8 a2
    d8 r8 r4
  }
}

leftPianoII = \relative c'' {
  \global \clef "treble"
  % Music follows here.
  \scaleDurations #'(4 . 3) {
    \time 2/4
    \set Timing.measureLength = #(ly:make-moment 2 3)
    r8 g8 [  d8] r8 r4 g4( d8) r8 r4
  }
}

pianoIPart = \new PianoStaff \with {
  instrumentName = ""
} <<
  \new Staff = "right" \with {
    midiInstrument = "acoustic grand"
  } \rightPianoI
  \new Staff = "left" \with {
    midiInstrument = "acoustic grand"
  } { \clef bass \leftPianoI }
>>

pianoIIPart = \new PianoStaff \with {
  instrumentName = ""
} <<
  \new Staff = "right" \with {
    midiInstrument = "acoustic grand"
  } \rightPianoII
  \new Staff = "left" \with {
    midiInstrument = "acoustic grand"
  } { \clef bass \leftPianoII }
>>

\score {
  <<
    \pianoIPart
    \pianoIIPart
  >>
  \layout {
    \context {
      \Score
      \remove "Timing_translator"
      \remove "Default_bar_line_engraver"
      \remove "Bar_number_engraver"
    }
    \context {
      \Staff
      \consists "Timing_translator"
      \consists "Default_bar_line_engraver"
    }

    \context {
      \Voice
      \remove "Forbid_line_break_engraver"
      tupletFullLength = ##t
    }
  }
  \midi { }
}

Cheers,
Neil