\version "2.18.2"

\paper {
  # (set-paper-size "a4" 'landscape)
  top-margin = 1.5\cm
  bottom-margin = 1\cm
  inner-margin = 2\cm
  outer-margin = 1\cm
 
  %markup-system-spacing #'padding = #6

}
\layout {
}



testStaff = <<
    
    \context Staff = "upper" {
 	    
    \clef "treble"
    \key c \major
    \time 3/4

    % THIS SNIPPET PRODUCES THE CORRECT OUTPUT
    % bar 28 - 30
    \relative g'' << {\change Staff = "upper" \stemUp s4*1/10^\"Example 1" a4*9/10~ a4 s4*1/10 d4*9/10\(}
	                 \\ 
	                 { \relative g'' {\change Staff = "upper" \stemDown \tuplet 5/4 {fis32 a fis d a} \change Staff = "lower" \stemUp {d, a fis c}}
                       \relative g'' {\change Staff = "upper" \stemDown {d fis d c} \change Staff = "lower" \stemUp {d, a fis c}}
                       \relative g'' {\change Staff = "upper" \stemDown \tuplet 5/4 {a d a fis d} \change Staff = "lower" \stemUp {a fis d a}}
                     }
   		 			>>
    \relative g'' << {\change Staff = "upper" \stemUp s4*1/10 c4*9/10~ c4 g4\)}
                     \\
                     {\relative g'' {\change Staff = "upper" \stemDown \tuplet 5/4 {g32 c g e c} \change Staff = "lower" \stemUp {g e c g}}
                      \relative g'' {\change Staff = "upper" \stemDown {e g e c} \change Staff = "lower" \stemUp {g e c g}}
                      \relative g'' {\change Staff = "upper" \stemDown {g e c g} \change Staff = "lower" \stemUp {e c g e}}
                     }
                  >>
    \break

    % WHEN ADDING THE PRECEDING MEASURE THE PHRASING SLUR DISAPPEARS.
	\relative c'' {\change Staff = "upper" \stemDown \tuplet 5/4 {f32\^"Example 2" as f des as} \change Staff = "lower" \stemUp {es as, f des} \change Staff = "upper" \stemDown \tuplet 5/4 {f'' as f des as} \change Staff = "lower" \stemUp {es as, f des} \change Staff = "upper" \stemDown \tuplet 5/4 {f'' as f des as} \change Staff = "lower" \stemUp {es as, f des}}

	% bar 28 - 30
    \relative g'' << {\change Staff = "upper" \stemUp s4*1/10 a4*9/10~ a4 s4*1/10 d4*9/10\(}
	                 \\ 
	                 { \relative g'' {\change Staff = "upper" \stemDown \tuplet 5/4 {fis32 a fis d a} \change Staff = "lower" \stemUp {d, a fis c}}
                       \relative g'' {\change Staff = "upper" \stemDown {d fis d c} \change Staff = "lower" \stemUp {d, a fis c}}
                       \relative g'' {\change Staff = "upper" \stemDown \tuplet 5/4 {a d a fis d} \change Staff = "lower" \stemUp {a fis d a}}
                     }
   		 			>>
    \relative g'' << {\change Staff = "upper" \stemUp s4*1/10 c4*9/10~ c4 g4\)}
                     \\
                     {\relative g'' {\change Staff = "upper" \stemDown \tuplet 5/4 {g32 c g e c} \change Staff = "lower" \stemUp {g e c g}}
                      \relative g'' {\change Staff = "upper" \stemDown {e g e c} \change Staff = "lower" \stemUp {g e c g}}
                      \relative g'' {\change Staff = "upper" \stemDown {g e c g} \change Staff = "lower" \stemUp {e c g e}}
                     }
                  >>


           
  }
      
  \context Staff = "lower" {
  \clef "bass"	
  \key c \major
  
  
  % script to be tested

  s2. *20
  
  }
      
   \context Staff = "Ped"{
   \clef "bass"
   \key c \major
	 

   % script to be tested
   
   s2. *20
   
   }

>>

\book{
  \score { <<  \testStaff >>}
}