Glissement de doigt

ha round c'est par défaut, idem si on commente la ligne
\override #'(line-cap-style ...

code simplifié

\version "2.24.4"

slopMarkup =
\markup
\path #0.18
#'(
    (
      rmoveto  0  0
      rcurveto  0  1.0  3.0   3  4.0   0
      rlineto    0 0.8
      rmoveto   0 -.8
      rlineto  -0.6 .6
      )
    )

tourne=\markup\slopMarkup 
\relative c'' {
  <c-3>4^\tourne <e'-1>
}
1 « J'aime »

monté sur le wiki

\version "2.24"

%---------------------
% for Harp finger change
chMarkup =\markup
\path #0.18
#'(
    (
      rmoveto  0  0
      rcurveto  0  1.0  3.0   3  4.0   0
      rlineto    0 0.8
      rmoveto   0 -.8
      rlineto  -0.6 .6
      )
    )

chfinger=\markup\chMarkup
%-Use---------------------------------------
\relative c'
{
  <c-2>4 <b'-3>^\chfinger  <e'-1>
}
%---------------------------------------------

Je répond a tous le monde.
Cela marche!!
Merci

\version "2.24.4"
#(set-global-staff-size 24) %taille des portées
\include "lilyjazz.ily"  
%-------------------------------------
mi ={\override Stem.color = "cyan"}
la={\override Stem.color = "brown"}
re={\override Stem.color = "orange" }
sol ={\override Stem.color = "blueviolet"}
si={\override Stem.color = "green"}
mi_a ={\override Stem.color = "darkyellow"}
%----------------------------------------------
\layout
 {
  \context 
  {
    \Voice
    \override NoteHead.color =
      #(lambda (grob)
         (and (not (zero? (ly:pitch-alteration (ly:event-property (event-cause grob) 'pitch))))
              (assq-ref (ly:grob-property grob 'details) 'altered-color)))
  }
}
%-----------------------------------------------------------
alteredColor =\override Score.NoteHead.details.altered-color = \etc
%-----------------------------------------------
staffColor = \set Staff.staffColor = \etc 
%----------------------------------------------
\paper 
 {
  oddFooterMarkup = \markup {\fontsize #1 \fill-line { \fromproperty #'header:title  } }
  print-page-number = ##t   
  oddHeaderMarkup = 
   \markup 
    {
     \if \should-print-page-number 
       {\fill-line { \null \concat { \fromproperty #'page:page-number-string "/" \page-ref #'theLastPage "00" "?"} } } 
    }
    evenHeaderMarkup = 
    \markup 
     {
      \if \should-print-page-number 
       {\fill-line { \concat { \fromproperty #'page:page-number-string "/" \page-ref #'theLastPage "00" "?"} \null }} 
     }             
 }
 %-------------------------------------------
 oct_U =\staffHighlight "cyan" 
 oct_D =\staffHighlight "yellow" 
 oct_T =\staffHighlight "violet" 
 oct_Q =\staffHighlight "orange" 
 oct_C =\staffHighlight "green" 
do_c = { \tweak color"red"c8}
do_n = { \tweak color"red"c4} 
fa = { \tweak color"grey"f}
%-------------------------------------
Un ={\override Stem.color = "cyan"}
Deux={\override Stem.color = "yellow"}
Trois={\override Stem.color ="violet" }
Quatre ={\override Stem.color = "orange" }
Cinq  ={\override Stem.color = "green"}
%--------------------------------------------
global = 
{ 
  \key g\minor
   \override Staff.TimeSignature.color = #blue
 \override Staff.KeySignature.color = #red
  \override Staff.Clef.color = #green 
 \override MultiMeasureRest.expand-limit = #1
 \set Staff.pedalSustainStyle = #'mixed 
 \override  Score.RehearsalMark.color = #darkgreen
   \numericTimeSignature 
   \set Score.markFormatter = #format-mark-box-alphabet
   \set fingeringOrientations = #'(left)
  \override Stem.thickness = #3.0   
   \time 4/4
   \partial 8
}
 %--------------------------------------------------
 slopMarkup =\markup
\path #0.18
#'((moveto   0  0)
   (curveto  0  1.0  3.0   3  4.0   0)
   (lineto   3.5 0.2)
   (moveto   4 0)
   (lineto   4.2 0.5)
   )
tourne=\markup\slopMarkup 
%--------------------------------------------
 LaMainDroite =
 \relative c'
  {
   \global
   \clef treble
    \oct_T bes'8-"1" 
    \repeat volta2
     {\bar"[|:"
      \oct_T g8-"3" a-"2" bes4 -"1" \oct_D \do_n ^"1" \oct_T bes8^"2" 8-"3"\oct_D \do_c-"2" [d8]-"1" \do_c -"2"\oct_T bes-"3" 
      \oct_D  \do_n^"1" \oct_T bes8^"2" bes^"2" g-"3" a-"2" bes4-"1" \oct_D \do_n^"1" \oct_T bes8^"2" bes^"3"\oct_D\do_c^"2" 
      [d]^"1"\do_c ^"2"\oct_T bes^"3"\oct_D  \do_n-"1" \oct_T bes8-"2" bes  g8 a bes4 \oct_D  \do_n \oct_T bes8 bes \oct_D\do_c 
      [d]\do_c \oct_T bes\oct_D  \do_n \oct_T bes8 bes g a bes4 \do_n\oct_T bes8 bes \oct_D  \do_c [d]  \do_c \oct_T bes \do_n
      \oct_T bes4 bes8^"2" \oct_D d ^"1" \do_n^"2" \oct_T bes8-"2" \oct_D d-"1"  \do_n_"2" \oct_T bes8^"3"  
      \oct_D \do_c^"2" d^"1" \oct_T bes    {<a^3>8^\tourne <g^1> }
      f4^"2" bes8 \oct_D d  \do_n \oct_T bes8 \oct_D d  \do_n \oct_T bes8^"3" \do_c^"2" d^"1" \oct_T bes^"2" g-"3" a-"2" bes4_"1"
      bes8 \oct_D d \do_n \oct_T bes8 \oct_D d  \do_n \oct_T bes8  \oct_D\do_c d \oct_T bes   {<a^3>8^\tourne <g^1> }
     f4^"2"bes8 \oct_D d  \tweak color"red"c4 \oct_T bes8  \oct_D d  \do_n
    }
    \alternative
    {{\oct_T bes8  \oct_D\do_c d \oct_T bes g a bes bes\bar":|]"}
    {bes  \oct_D\do_c d \oct_T bes g a bes4}
    }\break
   \time 6/4
   \repeat volta2
   {\bar"[|:"
      bes8  \oct_D\do_c d4 \oct_T bes\oct_D d8 \do_c \oct_T bes4 g8 bes bes8 \oct_D\do_c d4 \oct_T bes \oct_D d8 \do_c 
      \oct_T bes4 g bes8  \oct_D\do_c d4 \oct_T bes \oct_D d8  \do_c \oct_T bes4 g8 bes bes8  \oct_D\do_c d4 \oct_T bes 
      \oct_D d8  \tweak color"red"c \oct_T bes4 g
      \time 4/4 
      bes4 d bes g bes8  \oct_D \do_c d d ees d  \do_n \oct_T a4  \oct_D\do_c\do_c \oct_T bes8 a g4 bes4 \oct_D d \oct_T bes
      g bes8  \oct_D \do_c d d ees d  
     \oct_D \do_n \oct_T a4  \do_c  \oct_D\do_c \oct_T bes8 a g4 \bar":|]"
    }
  }
  %--------------------------------------------------
 LaMainGauche =
 \relative c'
  {
   \global
    \clef bass
    r8 r4\Quatre <g-3 d'-1>2 \Trois< \tweak color"red"c-2\tweak color"grey" f-1>4 r4\tweak color"grey" f  g ees  r4\Quatre<g,-3 d'-1>2 
    \Trois< \tweak color"red"c-2\tweak color"grey" f-1>4 r4 \Quatre ees,2 g4 r4<g-3 d'-1>2 \Trois< \tweak color"red"c-2\tweak color"grey" f-1>4
    r4\tweak color"grey" f  g ees r4\Quatre <g,-3 d'-1>2 \Trois<\tweak color"red"c-2\tweak color"grey" f-1>4 
   r4 \Quatre ees,2 g4 r g8 \Trois d' r4 \Quatre <\tweak color"grey"f,\tweak color"red"c'> r4 ees r d r g8 \Trois d' r4 
   \Quatre <\tweak color"grey"f,\tweak color"red"c'> r ees d g r4 g8 d r4 <f  \tweak color"red"c> r ees r d r g8 \Trois d' r4 \Quatre <f,  \tweak color"red"c'>
   r4 ees d g r ees d g
   \repeat unfold4{\Cinq g,4 \Quatre g' \Cinq \tweak color"grey"f, r \Quatre ees' r }
   \Trois <bes' d> r \Quatre g r \Trois<c ees> r\tweak color"grey"f r d r <bes d> \Quatre g \Trois <bes d>r  \Quatre g r 
   \Trois< \tweak color"red"c ees>r \tweak color"grey"f r 
  \Quatre \tweak color"grey" f, r <bes d>g
   \label #'theLastPage
  }
%---------------------------------------------
\book
 {
  \header 
   {
   title = "Ridées Six Temps"
   subtitle = 
   \markup \column 
     { 
       " "
       " "  
     " Octave 1 Cyan"
     " Octave 2 Jaune"
     " Octave 3 Violet"
     " Octave 4 Orange"
     " Octave 5 vert"
       " "
     " Légende ="
      "tete de note grise = Fa  tete de note rouge = Do"
      "porté de Fa : les hampes ont la couleur de l'octave"
      " "
    }
  }
\score 
{
  <<
    \LaMainDroite
    \LaMainGauche 
  >>
  \layout 
   {
    \override MultiMeasureRest.expand-limit = #1   % multi mesures de silences
    \set Score.skipBars = ##t % multi mesures de silences
    \context 
      {
       \Global
       \grobdescriptions #all-grob-descriptions
      }
   \context 
   {
    \Score
    \override Fingering.color = red
   }    
  }
 \midi {}
}
 }

vous pouvez retirer lilyjazz.ily , mais c'est moins beau.
C'est vraiment sympa de m'avoir aidé

1 « J'aime »