\version "2.13"
\header{
title = "AURORA BOREALIS"
subtitle = "NORTHERN LIGHT"
composer = \markup\bold "Morten J. WALLIN "
instrument = "Bass"
}
\paper{ page-count = #1 }

music = \relative c'{
\tempo 4 = 76
\time 4/4
\clef bass
\key f \major
\set Score.barNumberVisibility = #all-bar-numbers-visible
\bar ""
\override Score.BarNumber #'break-visibility = #' #(#f #t #t)
\set Score.markFormatter = #format-mark-box-alphabet
%mesure 1
f,2.->^\markup\bold {"Andante Maestoso"} f4->
g8.-> f16 es8 bes'4 -> g8 f8 es8
f2.-> f4->
c'8.-> bes16 aes8 es'4 c8 bes aes
%mesure 5
\tempo 4 =132
c,4 c2 c4
g'4 f4 es4 c4
c c2 c4
bes' a8 g f d c4 
f r8 f4. c4\bar "||"\mark\default
%mesure 10
f^\markup\bold {"ALLEGRO"} r8 f4. c4
f r8 f4. c4
\repeat volta 2{
f r8 c4 c8 f4
\time 6/8
aes4. bes4.
\time 4/4
c4 bes8 a g a16( bes16 c bes a g
%mesure 15
f4) r8 f4. c4
f r8 c4 c8 f4
\time 6/8
aes4. bes4.
\time 4/4
c4 bes8 a g4 a
bes c f,8->(g) a g->~
%mesure 20
g4 e f8->( e) d c
bes'4-> c-> a8->( bes) c g->~ 
g4 g-> a-> a8( g) 
f4-> bes-> c-> bes8 a->~
a4-> a8 d,4.-> c4
%mesure 25
bes' r8 f4. bes4
c, r8 g'4 g8 c,4 \bar"||"\mark\default
f r8 f4. c4
f r8 c4 c8 f4
\time 6/8
aes4. bes4.
%mesure 30
\time 4/4
c4 bes8 a8 g4 c4
f, r8 f4. c4
f r8 c4 c8 f4
\time 6/8
aes4. b
\time 4/4
c4 bes8 a8 g4 a4
%mesure 35
bes4- >  c4->  f,8\>(g) a g->~
g4 c,->f8->( e) d c
bes'4-> c4-> a8-> ( bes8) c g->~
g4 e-> a-> a8( g)
f4-> bes-> c-> bes8 a8->~
%mesure 40
a4 a8 d,4.-> c4
g'4 f bes c4} 
\alternative{
{f,4.-> es4-> es8 f->~
f8-> es4-> f-> es( f g)
aes4.-> fis4 fis8 aes->~
%mesure 45
aes-> fis4-> fis8 aes8 fis ( aes bes)
c4 c2 c4
g4 f e c
f r f c
f r c8 f g a bes 
%mesure50
c4 c2 c4
g( f e c)
f r f c
f r c8 f g a bes
c4 c2 c4
%mesure55
g4 f e c
f r f c
f r c8 f g a bes
f4 r f c
f r c8 f g a bes}
{c8. c16 c8 c8~c2}}

















































\bar"|."
}

\score{
\new Staff{
\set Staff.instrumentName = \markup {"Tuba"}
\music}
\layout{}
}

\score {
\unfoldRepeats
\new Staff{
\set Staff.midiInstrument = "tuba" \music
}
\midi {
      \context {
        \Score
        tempoWholesPerMinute = #(ly:make-moment 50 2)  % 50 à la blanche
        }
      }
}