\version "2.14.0"  % necessary for upgrading to future LilyPond versions.

\header{
  title = "Gloria in Excelcis"
}
upper = \relative c'' {
  \key g \major
  \clef treble
  \time 4/4
     b4 b b b8 d | d4. c8 b4 g | b4 b8 a b4 b8 d | d4. c8 b2 | 
     b4 b b b8 d | d4. c8 b4 g | b4 b8 a b4 b8 d | d4. c8 b2 | 
     d e8 d c b | c2 d8 c b a | b2 c8 b a g | a4 a d,2 | g4 a b c | b2 a | 
     d e8 d c b | c2 d8 c b a | b2 c8 b a g | a4 a d,2 | g4 a b c |
     b2 ( a ) | g2. r4 |
}

lower = \relative c' {
  \key g \major
  \clef bass
  \time 4/4
     g4 fis e d | d e8 fis g4 b | g fis e d | d e8 fis g2 |
     g4 fis e d | d e8 fis g4 b | g fis e d | d e8 fis g2 |
     b4 a gis2 | a4 g fis2 | g4 fis e2 | d4 c b a | b d g e | d g fis d | 
     b'4 a gis2 | a4 g fis2 | g4 fis e2 | d4 c b a | b d g e |
     d g2 fis4 | g2. r4 |
}

\score {
  \new partijen <<
    \new Staff = "upper" \upper
    \new Staff = "lower" \lower
  >>
  \layout{}
  \midi{}
}