Re: Tags and ossias

El mar, 9 may 2023 a las 11:35, Jean Abou Samra (<jean@abou-samra.fr>) escribió:

Le mardi 09 mai 2023 à 11:10 -0300, Federico Sarudiansky a écrit :

Hi everyone! Please consider the following problem: a work for a soloist and accompaniment in which there is an «alternative» part. For instance, a work for flute and guitar which the composer allows to be played on violin. The solo parts are almost identical, and differ only in isolated places. Following the example, I'd like to generate a flute part, a violin part and a score in which the flute is printed in full and the violin part is only shown in the form of ossias. This MWE shows the idea:

Is there a way of automatically generate \musicoss from \music? For if it is, everything can be made from only one musical source. Hope someone has an idea. I looked for it in LSR and in the lilypond-user archives to no avail. But perhaps the answer is obvious.

Try like this?
\version "2.24.1"

\tagGroup fl,vl,vl-ossia

fluteViolinDifferent =
#(define-music-function (flute violin) (ly:music? ly:music?)
   (make-relative (flute violin) #{ #flute #violin #}
    #{
      <<
        \tag fl $flute
        \tag vl $violin
        \tag vl-ossia
          \new Staff \with {
            alignAboveContext = "main"
            \magnifyStaff #2/3
            \remove Clef_engraver
            \remove Time_signature_engraver
          }
          $violin
      >>
    #}))

music = \relative { 
  c'4 d e f | 
  \fluteViolinDifferent
    { g a b c }
    { g f d c }
  g' g g g |
}

\markup{flute part}
\score { \new Staff \keepWithTag fl \music }
\markup{violin part}
\score { \new Staff \keepWithTag vl \music }
\markup{score}
\score { \new Staff = main \keepWithTag fl,vl-ossia \music }
Basically, the idea is to use a function which emits the violin music twice, once in the main context for the separate violin part, and once wrapped in \new Staff \with { ... } for the ossia.

From:	Federico Sarudiansky
Subject:	Re: Tags and ossias
Date:	Tue, 9 May 2023 11:49:04 -0300