Re: Separate time signatures in left and right hands.

[Jean Abou Samra]

First off, is there a better way to do this?

Yes. See https://lilypond.org/doc/v2.24/Documentation/notation/displaying-rhythms.html#polymetric-notation

It gets worse.  There is a section where both hands are in common time, but even though the right hand time signature isn't changing, it needs to be displayed again.  Again, my tactic would be to fake the time changes.  However, there is a break in the piece that has one time signature before the break and a different one after.  What I should really do is have a change time signature after the bar but before the break.  I don't know how to "fake" that.

Adapting the example from the documentation:

\version "2.24.2"

\layout { \enablePolymeter }

\relative <<
  \new Staff {
    \time 3/4
    c'4 c c |
    c4 c c |
    \break
    c2.
  }
  \new Staff {
    \time 3/4
    \set Staff.timeSignatureFraction = 9/8
    \scaleDurations 2/3 {
      \repeat unfold 3 { c8[ c c] }
      \repeat unfold 3 { c4 c8 }
    }
    \unset Staff.timeSignatureFraction
    \time 3/4
    c2.
  }
>>

Best,

Jean

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