Ballade No.1 in Lilypond, work in progress

ballade-no-1.ly

% Ballade No.1 in G Minor, Op.23 (F.Chopin, 1835-1836)
% 
% (C) 2016, Michiel Sikma <[email protected]>
% Licensed under CC BY-SA 4.0.
%
% This sheet music is part of the Pdly project.
% See <https://github.com/msikma/pdly> for more information.

AUTHORS = "M.Sikma"

\include "../../../includes/header.ly"
\include "./header.ly"

\version "2.18.2"
\language "english"
\header {
  title = \piece-title-en
  subtitle = \piece-subtitle-en
  composer = \piece-composer-en
  %dedication = \piece-dedication-en
  opus = \piece-opus-en
  copyright = \pdly-copyright-cc-by-sa-four-en
  tagline = \pdly-tagline-en
}

% First section, bars 1-7.
part-one = {
  \key g \minor
  \time 4/4
  \tempo "Largo"
}
% Main time signature.
part-two = {
  \time 6/4
  \tempo "Moderato"
}
% Only the coda.
part-three = {
  \time 2/2
  \tempo "Moderato"
}

\score {
  \new PianoStaff <<
    \new Staff = "right" \with {
      midiInstrument = "acoustic grand"
    } {
      \relative c' {
        \part-one
        % "pesante" is spaced out a bit to avoid overlapping the \f
        r1-"    pesante" \f |
        c8 af-1 ef'-2 bf'-4 c af-1 ef' bf'-4 |
        c8\> g bf af g4-1 fs8\! r8 |
        r8 fs8-2 \p g fs es fs \times 2/3 { a! g ef-2 } |
        ef8.-3 d16 \times 2/3 { f!8-4 ef d-2 } d4-3 r4 |
        r2 c4.->( \< g8 |
        bf1)~ \bar "||"
        
        \part-two
        bf2. \! r8 \p c,8-> d fs bf a |
        g2. <d bf>4 <d bf>
      }
    }
    \new Staff = "left" \with {
      midiInstrument = "acoustic grand"
    } {
      \clef bass \relative c' {
        \part-one
        <c,-1 c,-5>2~<c c,>8 <ef-2 ef,-4> <af-3 af,-3> <bf bf,> |
        c,8_1 af_5 ef'_3 bf'_2 \clef treble c_1 af_5 ef' bf' |
        c8 g bf af g4 fs8 r8 |
        r8 fs_3 g fs es fs \times 2/3 { a! g ef } |
        ef8._3 d16 \times 2/3 { f!8_2 ef d_4 } d4_3 r4 |
        r2 \clef bass <ef, g c>2 |
        <d g ef'>1\arpeggio \bar "||"
        
        \part-two
        r2. \sustainOn d,4\staccato r4 r4 \sustainOff |
        r4
        % not quite done yet...
      }
    }
  >>
  \layout {
  }
  \midi {
    \tempo 4 = 69
  }
}