\remove "Bar_engraver"
  \remove "Clef_engraver"
  \remove "Time_signature_engraver"
  \override Score.VoltaBracketSpanner #'outside-staff-priority = 100
  \override Score.VoltaBracketSpanner #'direction = -1
  \override Score.VoltaBracket #'edge-height = #'(0.0 . 0.0)
  \override Score.VoltaBracket #'font-name = #"New Century Schoolbook" 
  \override Score.VoltaBracket #'font-shape = #'bold 
  \override Score.VoltaBracket.thickness = #3
  \override OttavaBracket.thickness = #2
  \override PianoPedalBracket.thickness = #2
  \override StaffSymbol.line-count = #0
  }
  \new Voice \with {
    \remove "Rest_engraver"
    \remove "Beam_engraver"
    \remove "Note_heads_engraver"
    \override Glissando.minimum-length = #5
    \override Glissando.springs-and-rods = #ly:spanner::set-spacing-rods
    \override Glissando.thickness = #'3
    \override Slur.line-thickness = #2
    \override PhrasingSlur.line-thickness = #2
    \phrasingSlurDown \phrasingSlurDashed
    \consists "Horizontal_bracket_engraver"
    \override HorizontalBracket.thickness=3
    \override HorizontalBracket.#'bracket-flare = #'(0 . 0)
    \override HorizontalBracket.#'edge-height = #'(0.5 . 0.5)
    \override HorizontalBracket #'shorten-pair = #'(-0.3 . -0.3) 
    \override TrillSpanner.bound-details.left.text = ##f
  }