\score {
  { c' d' e' f' | g'2
    \cadenzaOn
    <<
      { a'16[ g' f' e' d' c' d']
        \repeat unfold 5 {e'[ f' g' a' g' f' e' d'] }
      }
      \repeat unfold 47 {s16 \bar ""}
    >>
    \cadenzaOff c'2
  }
  \layout { }
}


\score {
  \new Staff \repeat unfold 64 f'4
  \layout {
    \context {
      \Staff
      \remove Time_signature_engraver
      \remove Bar_engraver 
    }
    \context {
      \Score
      \remove Timing_translator
    }
  }
}