\version "2.19.5"

\language "english"

#(define solfege (circular-list "d" "r" "m" "f" "s" "l" "t"))
#(define numbers (circular-list "1" "2" "3" "4" "5" "6" "7"))

#(define (Ez_noteheads-engraver lst )
   (list
    (cons 'acknowledgers
      (list
       (cons 'note-head-interface
         (lambda (engraver grob source-engraver)
           (let* ((context (ly:translator-context engraver))
                  (tonic-pitch (ly:context-property context 'tonic))
                  (tonic-name (ly:pitch-notename tonic-pitch))
                  (delta (- 7 tonic-name))
                  (solfege-base lst)
                  (solfege (take (drop solfege-base delta) 7))
                  (note-names (apply vector solfege)))
             ; (display solfege)(newline)
             (ly:grob-set-property! grob 'note-names
               note-names))))))))

EzON = {
  \easyHeadsOn
  \override Staff.StaffSymbol.staff-space = #1.25  
  \override Staff.StaffSymbol.line-thickness = #1.25  
  \override Staff.NoteHead.font-size = #+3.25  
  \override Staff.Clef.font-size = #+1.35  
  \override Staff.TimeSignature.font-size = #+1.35  
  %\override Staff.Accidental.font-size = #+1.35  
  \override Staff.NoteHead.font-size = #-5.0  
}

% if needded :
EzOFF = {
  \easyHeadsOff
  \revert Staff.StaffSymbol.staff-space
  \revert Staff.StaffSymbol.line-thickness
  \revert Staff.NoteHead.font-size 
  \revert Staff.Clef.font-size
  \revert Staff.TimeSignature.font-size
  %\revert Staff.Accidental.font-size
  \revert Staff.NoteHead.font-size
}

EzNum = \with { \consists #( Ez_noteheads-engraver numbers ) } 
#(define eznum  #( Ez_noteheads-engraver numbers )) 
EzSol = \with { \consists #( Ez_noteheads-engraver solfege   ) } 
ezsol =   #( Ez_noteheads-engraver solfege   )

% {
#(set-global-staff-size 26)

globalii = {
  \key c \major
  \numericTimeSignature
  \time 3/4
}

SA = {
  \globalii
  
  %% uncomment below for easy reading :
  %\EzON
  
  | % mes.27
    << 
       { 
         \voiceOne 
         c''4. b'8 
       }
       \new Voice { 
         
  %% uncomment below for easy reading :
  %\EzON
         
         \voiceTwo 
         d'4 c'4 
       }
    >> 
    \oneVoice 
    <f'a'>4
    
  | % mes.28
    <e'g'>4 r4 q4 
    
  | % mes.29  
    <d'f'>4 <c'e'>4 <c'f'>4 
    
  | % mes.30
  <b d'>4 <c'a'>4 <b g'>4
  
  | % mes.31-32
    <<
      {
        \voiceOne 
        e'2.^~
      | % mes.32
        e'4
      }
      \new Voice {
        \voiceTwo 
        
  %% uncomment below for easy reading :
  %\EzON
        
        d'4( c'2~ 
      | % mes.32 
        c'4)
      }
    >> 
    \oneVoice
    r4 g'4 
    
  | % mes.3...
}

TB = { 
  \globalii
  
  %% comment-on below for standart reading :
  \EzON
  
  | % mes.27
    <e g>4 q4 <f c'>4 
  
  | % mes.28 
    <c c'>4 r4 q4 
  
  | % mes.29 
    <d a>4 q4 
    <<
      {
        \voiceOne 
        a8( g8)
      }
      \new Voice{
        \voiceTwo 
        
  %% comment-on below for standart reading :
  \EzON
  
        d4
      }
    >> 
  
  | % mes.30 
    \oneVoice 
    <g,f>4 q4 q4 
  
  | % mes.31 
    <c g>2.~ 
  
  | % mes.32 
    q4 r4 g4 
    
  | % mes.3...... 
}

\score {
  \new ChoirStaff <<
    \new Staff  
    \EzNum 
    {
      <<
        \new Voice = "female"
        \SA 
      >>
    }
    \new Staff 
    \EzSol  
    {
      \set Staff.instrumentName = \markup \center-column { "T." "B." }
      \set Staff.shortInstrumentName = \markup \center-column { "T." "B." }
      <<
        \clef bass
        \new Voice = "male"   
        \voiceOne 
        \TB 
      >>
    }
  >>
  \layout { }
}


%{
convert-ly.py (GNU LilyPond) 2.19.5  convert-ly.py: Processing `'...
Applying conversion: 2.19.2
%}