\version "2.18.2"
\include "articulate.ly"

\header {
  title = "I'm a Rover Seldom Sober"
  composer = "Traditional"
}

global = {
  \time 4/4
  \key g \major
}

chordNames = \chordmode {
  \global
  s4 g2 c g1*5/4 d1*3/4 g1*2 d4 g2  
}

melody = \relative g' {
  \global
  \partial 4 g8. g16 |
  g4 d8. d16 e8. e16 e4 |
  d g8. g16 g4 b8. b16 |
  b8. b16 a4 r8 d8 d8. c16 |
  b4 d8. d16 a8. fis16 g4 d |
  g8. a16 b4 b8. b16 a8. |
  a16 g4 r4 \bar "|."  
}

\book {
    \score {
        <<
            \new ChordNames \chordNames
            \new Staff { \melody }
        >>
        \layout {}
    }
}

\book {
    \score {
        \unfoldRepeats \articulate
            <<
                \new Voice = "chords" {
                    \chordNames
                }
                \new Voice = "melody" {
                    \melody
                }
            >>
        \midi {
            \tempo 4 = 130
        }
    }
}