\relative c'
{
{
\tempo "Allegro" 4 = 160
\time 4/4
\key f \major
\repeat unfold 2
{
a'4 d, c d | c2. r4 | d e f g | a bes c2 | d4 g, f g | f2. a4 |
}
\alternative
{
{
bes1~ | bes2. r4 |
}
{
c1~ | c4 d d d |
}
}
}
}
\include "lilypond-book-preamble.ly"
\relative c'{




{
	\tempo "Allegro" 4 = 160
	\time 4/4
	\key f \major

%% part "A"
	\repeat unfold 2 {
		a'4 d, c d | c2. r4 | d e f g | a bes c2 |
		d4 g, f g | f2. a4 |
	} \alternative {
		{ bes1~ | bes2. r4 |}
		{ c1~ | c4 d d d | }
	}


}
}
