\version "2.19.8"

mymelody =  \relative c' {
  c4 c4 g'4 g4 |
  a4 a4 g2 |
  \break

  c,4( c4 g'4 g4 |
  a4 a4 g2) \bar "|."
}

mylyrics =  \lyricmode { Twin- kle twin- kle lit- tle star }

\score {
  <<
    \new Staff <<
      \context Voice = "mymelody" { \mymelody }
      \new Lyrics \lyricsto "mymelody" { \mylyrics \mylyrics }
    >>
  >>
  \layout {}
}