\version "2.12.2"

upper = \relative c'' {
  \time 4/4
  \oneVoice
  \repeat volta 2 {  c4 b a g  }
  \repeat volta 2 {  f4 e d c  }
  \repeat volta 2 {  c'4 b a \voiceOne g4  }
  \repeat volta 2 {  c,4 e g4 c4 }
}

lower = \relative c'' {
  s1 
  s1 
  s2 s4 \teeny
  \override NoteColumn #'force-hshift = #1.7
  \voiceTwo \override Stem #'length = #4 { g16 a g8 }
  s2 g8 g c4 
}

verseOne = \lyricmode { 
  do ti la so fa mi ray do do ti la so __ do mi so __ do
}

verseTwo = \lyricmode {
  so la so so so do 
}

\score {
  \context Staff = "voice" <<
    \set Staff.instrumentName = "Voice"
    \context Voice = "upper" { \upper }
    \context Voice = "lower" { \lower }
    \new Lyrics \lyricsto "upper" { \verseOne }
    \new Lyrics \lyricsto "lower" { \verseTwo }
  >>  
  \layout { }
  \midi { }
}