Develop chord sequences to complement the existing music.
A | .B2 z c | .d2 z d | (f/e/)(f/e/) (f/e/).d/.e/ | .f2 z2 || 
"^A" (c/d/c/=B/) cA | (f/g/f/e/) fc | (ag) de | (gf) ed | c/d/c/=B/ cA | f/g/f/e/ fc | 
 (ag) de | ff f z"^B" |:{/^f} .g2{/f} .g2 | gG e(d/e/) | fG d(^c/d/) | 
 eG c(e/f/) |{/^f} .g2{/f} .g2 | gG e(d/e/) | fG e>d | cc/c/ cc | (f/e/).e (e/d/).d | 
 (d/c/).c cA | (c/B/).B BE | GF F/A/c/f/ | (f/e/).e (e/d/).d | (d/c/).c cA | 
 (c/B/).B Be | ff f z :|[K:Bb]"^C"{/A} cc{/c} ee |{/B} dd{/d} ff | 
 (fe) e/d/e/g/ | (gf) d2 |{/A} cc{/c} ee |{/B} dd{/d} ff | (fe) e/d/e/A/ | 
 Bd B"_Fine" z |]"^D" .d/.d/.d/.d/ dg | .d/.d/.d/.d/ dg | dg dg | d3 d | 
 .c/.c/.c/.c/ cf | .c/.c/.c/.c/ cf | cg a>g | f2"_>Teil C" z2 |]  
X:1
L:1/8
M:2/4
K:F
 A |"Bb" .B2 z c |"Gm" .d2 z d |"C7" (f/e/)(f/e/) (f/e/).d/.e/ |"F" .f2 z2 || 
"^A""F" (c/d/c/=B/) cA | (f/g/f/e/) fc |"C7" (ag) de |"F" (gf) ed | c/d/c/=B/ cA | f/g/f/e/ fc | 
"C7" (ag) de |"F" ff f z"^B" |:{/^f}"C" .g2{/f} .g2 | gG e(d/e/) |"G7" fG d(^c/d/) | 
"C" eG c(e/f/) |{/^f} .g2{/f} .g2 | gG e(d/e/) |"G7" fG e>d |"C" cc/c/ cc |"C7" (f/e/).e (e/d/).d | 
"F" (d/c/).c cA |"C7" (c/B/).B BE |"F" GF F/A/c/f/ |"C7" (f/e/).e (e/d/).d |"F" (d/c/).c cA | 
"C7" (c/B/).B Be |"F" ff f z :|[K:Bb]"^C"{/A}"F7" cc{/c} ee |{/B}"Bb" dd{/d} ff | 
"F" (fe) e/d/e/g/ |"Bb" (gf) d2 |{/A}"F7" cc{/c} ee |{/B}"Bb" dd{/d} ff |"F7" (fe) e/d/e/A/ | 
"Bb" Bd B"_Fine" z |]"^D""Gm" .d/.d/.d/.d/ dg | .d/.d/.d/.d/ dg | dg dg |"C7" d3 d | 
"F" .c/.c/.c/.c/ cf | .c/.c/.c/.c/ cf | cg"C7" a>g |"F" f2"_>Teil C" z2 |]  