Bonjour Patrick,
Voici une solution :
%%%%%%%%%%%
\version "2.18.2"
upper = \relative c'' {
\override Staff.BarLine.allow-span-bar = ##f
\clef treble
\key g \major
\time 24/16
\tempo 4 = 80
g16 b d g d b d b g b g d e g c e
\revert Staff.BarLine.allow-span-bar
\bar "|"
}
lower = \relative c' {
\clef bass
\key g \major
\time 4/4a
g8 g, r8 g' g[ g,] r8 g'
}
\score {
\new StaffGroup <<
\new Staff { \upper }
\new Staff { \lower }
>>
\layout {
\context {
\Score
\remove "Timing_translator"
\remove "Default_bar_line_engraver"
}
\context{
\Staff
\consists "Timing_translator"
\consists "Default_bar_line_engraver"
}
}
}
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