The musical notation in this image was rendered by LilyPond, a free-software engraving program. Here is a listing of the LilyPond source used to create this file.

\version "2.12.0"

global = {
	\time 4/4
	\key c \major
}

tempoTextAlignment = \once \override TextScript #'extra-offset = #'( -3 . 2) 
tempoText = ^\markup { \large \bold { Allegro  } \small { { \note #"4" #1 = 144 }. } }

upper = \relative c'' {
	\global
	\clef treble
	<< {
	\tempoTextAlignment a16\tempoText \stemUp \once \override TextScript #'extra-offset = #'( -3 . -4)  ais^\markup { \italic { sempre legato } } b c cis d dis e f fis g gis a ais b c! |
	cis d dis e f e dis d cis c b bes a gis b a |
	} \\ {
	<e, c>16 s8. <e a>16 s8. <a d>16 s8. <d f>16 s8. |
	<e a!>16 s8. <a c>16 s8. <e a>16 s8. <c! e>16 s8. |
	} >>
}

lower = \relative c' {
	\global
	\clef bass
	a,8_. r <e' a c!>^. r a,_. r <f' a d>^. r |
	<a, a,>_. r <e' a c!>^. r <a c! e>^. r r4 |
}

dynamics = {
	\overrideProperty #"Score.NonMusicalPaperColumn" #'line-break-system-details #'((alignment-offsets . (0 -3.5 -9.5)))
  \override DynamicTextSpanner #'dash-period = #-1.0
	\override DynamicText #'extra-offset = #'(-1 . -2.5) s2\p s16 s_\markup { \italic { cresc. } }
} 

pedal = {
}

\score {
  \new PianoStaff = "PianoStaff_pf" <<
    \new Staff = "Staff_pfUpper" \upper
    \new Dynamics = "Dynamics_pf" \dynamics
    \new Staff = "Staff_pfLower" << \lower >>
    \new Dynamics = "pedal" \pedal
  >>

  \layout {
    % define Dynamics context
    \context {
      \type "Engraver_group"
      \name Dynamics
      \alias Voice
      \consists "Output_property_engraver"
      \consists "Piano_pedal_engraver"
      \consists "Script_engraver"
      \consists "New_dynamic_engraver"
      \consists "Dynamic_align_engraver"
      \consists "Text_engraver"
      \consists "Skip_event_swallow_translator"
      \consists "Axis_group_engraver"

      pedalSustainStrings = #'("Ped." "*Ped." "*")
      pedalUnaCordaStrings = #'("una corda" "" "tre corde")
      \override DynamicLineSpanner #'Y-offset = #0
      \override TextScript #'font-shape = #'italic
      \override VerticalAxisGroup #'minimum-Y-extent = #'(-1 . 1)
    }
    % modify PianoStaff context to accept Dynamics context
    \context {
      \PianoStaff
      \accepts Dynamics
    }
  ragged-right-last = ##t
  }
}

\score {
  \new PianoStaff = "PianoStaff_pf" <<
    \new Staff = "Staff_pfUpper" << \global \upper \dynamics \pedal >>
    \new Staff = "Staff_pfLower" << \global \lower \dynamics \pedal >>
  >>
  \midi { 
    \context {
           \Score
           tempoWholesPerMinute = #(ly:make-moment 144 4)    
    }   
  }
}

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