En un peu plus court...
\version "2.21.2"
\language français
\relative do' {
mi8 [mi] fa mi [mi] do' do
\tuplet 3/2 { do16 ([re
\tweak stencil #(lambda (grob) (grob-interpret-markup grob
#{
\markup {
\combine
\musicglyph #"noteheads.s2"
\with-dimensions-from \null
\override #'(on . 0.5)
\override #'(off . 0.1)
\override #'(thickness . 3)
\with-color #red {
\combine
\translate #'(-1 . -1.5)
\draw-dashed-line #'(3 . 3)
\translate #'(2 . -1.5)
\draw-dashed-line #'(-3 . 3)
}
}
#}))
do^\markup {
\fontsize #5
\override #'(thickness . 2)
\combine
\draw-line #'(0 . 4)
\arrow-head #Y #DOWN ##f
}
^\markup{\halign #0.2 "Rayer ce do fautif"}])} si8 ([do])
}
\layout {
\context {
\Staff
\remove Bar_engraver
}
\context {
\Score
\override SpacingSpanner.spacing-increment = 3
}
}
%%%
Cordialement,
Pierre