\version "2.12.2"

cadenzaTaktende = { % gehört unmittelbar nach cadenzaOff
\set Score.measurePosition = #(ly:make-moment 4 4) \grace s4 }

cadenzaPlatzhalter = {
  \once \override MultiMeasureRest #'expand-limit = #0 
  R1 
}

fermataVorStrich = {
  \once \override Score.RehearsalMark #'break-visibility = #begin-of-line-invisible % lsr432
  \once \override Score.RehearsalMark #'self-alignment-X = #right %lsr546
  \mark \markup \musicglyph #"scripts.ufermata" 
}

dreiUnd = \markup \concat {"3" \with-dimensions #'(0 . 0) #'(0 . 0) \super "bis" } 

\relative c'' {  
  %  \override Score.BarNumber #'break-visibility = #all-visible 
  \clef treble
  \time 4/4
  
  b4\p <g c e> <f c' f> r4 
  
  R1 
  \fermataVorStrich
  \break 
  
  \cadenzaOn 
  \override Staff.Stem #'transparent = ##t 
  \autoBeamOff 
  a,4^\markup {ad lib.} b c es c b a b c es c b 
  \override BreathingSign #'text = #(make-musicglyph-markup "scripts.caesura.curved") 
  \breathe 
  \bar "" 
  \break  
  \set Score.measurePosition = #(ly:make-moment 0 0) 
  \once \override Score.BarNumber #'stencil = 
    #(lambda (grob) (grob-interpret-markup grob dreiUnd))
  
  \times 2/3 {a'8 b c} \times 2/3 {es c a} \times 2/3 {a8 b c} \times 2/3 {es c a} 
  \breathe  
  \times 2/4 {a'16 b c b} \times 2/4 {a16 b c b} \times 2/4 {es c b c} \times 2/4 {es c b c} 
  \fermataVorStrich
  \cadenzaOff 
  \cadenzaTaktende
  \bar "||" 
  \break 
  
  \cadenzaOn 
  s64 % non-paper anchor
  \mark \markup \fontsize #-2 "tacet" 
  \cadenzaOff  
  \cadenzaPlatzhalter 
  \fermataVorStrich 
  \bar "||"
}