\version "2.12.2"
\relative c'' {  
   \clef treble
   \time 4/4
b4\p <g c e> <f c' f> r4 R1 \once \override Score.RehearsalMark #'self-alignment-X = #right 
\mark \markup { \musicglyph #"scripts.ufermata" } \break \override Score.BarNumber #'break-visibility = #all-visible 
\cadenzaOn \override Staff.Stem #'transparent = ##t \autoBeamOff \override BreathingSign #'text =
#(make-musicglyph-markup "scripts.caesura.curved") \override Score.RehearsalMark #'break-visibility = #begin-of-line-invisible a,4^\markup {ad lib.} b c es c b a b c es c b \breathe \bar " " \break  \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} \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" \bar "||" \break \cadenzaOff \set Score.measurePosition = #(ly:make-moment 4 4) \grace s4 \break \cadenzaOn \mark \markup \fontsize #-2 "tacet" \cadenzaOff  
\once \override MultiMeasureRest #'expand-limit = #0 
  R1 #(define-music-function (parser location count) (number?)
#{ \grace \repeat unfold $count s64 #}) \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" \autoBeamOn \override Staff.Stem #'transparent = ##f \bar "||"
}