\version "2.19.80"

\header {
  composer = "Me"
  title = "Song"
  opus = "Op. 1 No.1"
  
}

\score {
  \relative c'' {
  \time 4/4
  \key c \major
  
  c4 c c c |
  }
  
}

\score {
  \relative c'' {
  \time 4/4
  \key c \major
  
  c4 c c c |
  
  }
}