% here we have flowing2.ly:

\header {
        title = "The river is flowing"
        composer = "Traditonal (?)"
}
\include "paper16.ly"

\score {
        \simultaneous {
	  % accompaniment--chordnames
                \context ChordNames \chords {
                \include "flowing2-pt1.ly" }
        \addlyrics
             % melody 
	     \context Staff = mel {	
                \property Staff.noAutoBeaming = ##t
		\property Staff.automaticMelismata = ##t
          	\notes \relative c' { \include "flowing2-pt2.ly" }
             }
             % lyrics
	     \context Lyrics \lyrics { \include "flowing2-pt3.ly" }
	     }
        \midi  { }
        \paper { linewidth = 10.0\cm }
}

% and here we have flowing2, the petals score.  If you copy this into two
% files and run ./petals flowing2, running ly2dvi on either flowing.ly or
% flowing2.ly will produce the same score. The score must start with r8,
% not this comment.:

r8                  | \partial 8 g8          | The                             
c2:3- f:3-.7        | c4 c8 d [es () d] c4   | ri -- ver is flo- __ wing,      
d:min es4 c8:min r8 | f4 f8 g [es() d] c g   | flo -- wing and gro -- wing, the
c2:min f:min7       | c4 c8 d [es () d] c4   | ri -- ver is flo -- wing        
g:7^3.5 c:min       | d4 es8 d c4. \bar "|." | down to the sea.