\version "2.17.25"
\language "english"
  



#(set-global-staff-size 14)

\paper {
  #(set-paper-size "letter")
}

global = {
  \key ef \major
  \numericTimeSignature
  \time 4/4
  
  \tempo "Andante" 4=86
}

soprano = \relative c' {
  \global
  \dynamicUp
  
  \time 2/4 f4 ef8 c | \time 4/4 ef2. r4 | r1 r1 r1 | r1 \bar"|." %m117-122
  \label #'lastPage
  
}



tenor = \relative c { \global 
  \dynamicUp
  
  \time 2/4 f4 ef8 c | \time 4/4 ef2. r4 | r1 r1 r1 r1 %m117-122
}



verse = \lyricmode { \set fontSize = #+0
   無  盡  感  恩  
  
}



right = \relative c' {
  
  \time 2/4 <c' f, c>2 |%m117
  \time 4/4 r4 r8 g <f' bf,>2 |%m118
  r4 g,8 c <f c g>2 |%m119
  <ef bf>2 <f ef c> |%m120
  %s2
  \change Staff = left
    ef,,,16\( bf' ef f g bf ef f 
  \change Staff = right
  %s2 |%m121
  g16 bf ef f g bf ef f |%m121
  g1\) %m122
}

dynamics = {
  s2 s1 s1 s1 s2 s8 s8\> s8 s8\! 
}

left = \relative c' {
  \global
  
  \time 2/4 <af af,>2 |%m117
  \time 4/4 ef8 bf' f'2. |%m118
  c,8 g' d'4 <ef a,>2 |%m119
  <g ef bf>2 <af af,>2 |%m120
%  ef,,16 bf' ef f g bf ef f s2 |%m121
  s4
  r1 %m122
}

choirPart = \new ChoirStaff <<
  \new Staff ="right" \with {
    midiInstrument = "choir aahs"
    instrumentName = \markup \center-column { "S." "A." }
    shortInstrumentName = \markup \center-column { "S." "A." }
  } <<
    \new Voice = "soprano"     {           \soprano }
    %\new Voice = "alto" { \voiceTwo \alto }
  >>
  \new Lyrics \with {
    \override VerticalAxisGroup #'staff-affinity = #CENTER
  } \lyricsto "soprano" \verse
  \new Staff = "left" \with {
    midiInstrument = "choir aahs"
    instrumentName = \markup \center-column { "T." "B." }
    shortInstrumentName = \markup \center-column { "T." "B." }
  } <<
    \clef bass
    \new Voice = "tenor"    {             \tenor }
    %\new Voice = "bass" { \voiceTwo \bass }
  >>
>>

pianoPart = \new PianoStaff \with {
  instrumentName = "Pno."
  shortInstrumentName = "Pno."
} <<
  \new Staff = "right" \with {
    midiInstrument = "acoustic grand"
  } \right
  \new Dynamics = "Dynamics_pf" \dynamics
  \new Staff = "left" \with {
    midiInstrument = "acoustic grand"
  } { \clef bass \left }
>>

\score {
  <<
    \choirPart
    \pianoPart
  >>
  \layout { indent = 0}
  \midi { }
}