Rhythms headword

Rhythms headword.

\version "2.24"

% Beethoven, Op. 81a
% Piano sonata 26 - (Les Adieux)
% Movt II - Abwesenheit (L'Absence)
% Measures 31 - 34

\include "english.ly"

% Circumvent issue #6876: `strict-grace-spacing` ignores
% accidentals of the following main note.
shiftedGrace =
#(define-music-function (offset music) (number? ly:music?)
   #{
     \override NoteHead.X-offset = #(- offset 0.85)
     \override Stem.X-offset = #offset
     \grace { $music }
     \revert NoteHead.X-offset
     \revert Stem.X-offset
   #})

\new PianoStaff <<
  \new Staff = "right hand" {
    \clef treble
    \key c \minor
    \time 2/4
    \set Score.currentBarNumber = #31

    <c''' c''>8(^\markup \italic "a tempo" <g'' g'>) ~
      <g'' g'>8( <a'' a'>16 <f'' f'>) |
    <f'' f'>8[( \shiftedGrace #-0.15 { e''32 f'' e'' d'' }
      <e''! e'>16 <f'' f'>16]) <g'' g'>16-.([ <a'' a'>-.)]
      <bf'' bf'>32( <b'' b'>) <b'' b'>( <c''' c''>) |

    b''32([ c''' d''' c'''32)] g''8 ~
      g''32[ a''64( g'']) a''64([ g'') bf''( a''64)]
      bf''64([ a'') c'''( b''64)] c'''128[ b'' d''' c''' f'''64 f''] |
    <f'' f'>8[( \shiftedGrace #-0.15 { e''32 f'' e'' d''] }
      <e''! e'>16 <f'' f'>]) <g'' g'>16-.([ <af''! af'!>-.)]
      <bf'' bf'>32( <b'' b'>) <b'' b'>( <c''' c''>) |
   }

  \new Dynamics {
    s2\offset Y-offset 1 -\markup \italic "cantabile" |
    s4 s\tweak style #'none \cresc |
    s16.\offset Y-offset 1 \p \offset Y-offset 1 \> s32\! s4. |
    s4 s\tweak style #'none \cresc <>\! |
  }

  \new Staff = "left hand" {
    \set Staff.baseMoment = #(ly:make-moment 1 8)
    \set Staff.beatStructure = 1,1,1,1
    \clef bass
    \key c \minor
    \time 2/4
    \repeat unfold 3 { <g e>32 c' <g e> c' } <a f> c' <a f> c' |
    \repeat unfold 2 { <bf g>32 c' <bf g> c' }
      <bf g> c' <a f> c' <g e> c' <g e> c' |

    \repeat unfold 3 { <g e>32 c' <g e> c' } <a f> c' <a f> c' |
    \repeat unfold 2 { <bf g>32 c' <bf g> c' }
      <bf g> c' <af! f> c' <g e> c' <g e> c' |
   }
>>

\layout {
  \context {
    \Score
    \override SpacingSpanner.base-shortest-duration =
      #(ly:make-moment 1/40)
    \override SpacingSpanner.strict-grace-spacing = ##t
  }
}