I tried to get a special bar line at the end of the FirstPart (at the end of the first line) without success. I think I was able to get it in one of the trials, but that made the double bar line at the beginning of SecondPart disappear. As you can see the command \bar "|." in the score section is not having any effect.
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\version "2.18.2"
\defineBarLine "||" #`("||" "||" "||")
musicA = \relative c' {
\bar "||" c4 d e f2 g2
a b c d e4 }
musicB = \relative c' {f g f e d c b a c a b a c d e f}
patterning = {
\repeat unfold 2 {s4*16 \break \bar "||"}
}
\score {
\new Staff <<
\new Voice {
\mark FirstPart \musicA \bar "|."
\mark SecondPart \musicB
}
\new Voice \patterning
>>
\layout {
\context {
\Voice
\remove Note_heads_engraver
\consists Completion_heads_engraver
\remove Rest_engraver
\consists Completion_rest_engraver
}
}
}
%%%%%%%%%%%
