Create chord structures that will improve the harmony of the provided musical section.
|: (3B/c/d/ |{cd} e G G G | E G G G | B A/G/ A | c B/=A/ B | e G G G | E G G G | 
 B A/G/ A/B/ |1 G2 :|2 G2 |: G | G F/=E/ F2 | A G/^F/ G2 | B A/G/ A/B/ | 
 c B/A/ (3B/c/d/ | e G G G | E G G G |1 B A/G/ A/B/ | G2 :|2 B =A/B/ c/d/ | 
 e2 |]:[K:Bb] (3f/g/a/ |{ga} b d d d | B d d d | f e/d/ e | g f/=e/ f | 
 b d d d | B d d d | f e/d/ e/f/ |1 d2 :|2 d2 |: d | d c/=B/ c2 | 
 e d/^c/ d2 | f e/d/ e/f/ | g f/e/ (3f/g/a/ | b d d d | B d d d |1 
 f e/d/ e/f/ | d2 :|2 f =e/f/ g/a/ | b2 |]:[K:F]"^Bb instruments:" (3c/d/e/ | 
{de} f A A A | F A A A | c B/A/ B | d c/=B/ c | f A A A | F A A A | c B/A/ B/c/ |1 
 A2 :|2 A2 |: A | A G/=F/ G2 | B A/^G/ A2 | c B/A/ B/c/ | d c/B/ (3c/d/e/ | 
 f A A A | F A A A |1 c B/A/ B/c/ | A2 :|2 c =B/c/ d/e/ | f2 |]:[K:C] (3g/a/b/ | 
{ab} c' e e e | c e e e | g f/e/ f | a g/=f/ g | c' e e e | c e e e | 
 g f/e/ f/g/ |1 e2 :|2 e2 |: e | e d/=c/ d2 | f e/^d/ e2 | g f/e/ f/g/ | 
 a g/f/ (3g/a/b/ | c' e e e | c e e e |1 g f/e/ f/g/ | e2 :|2 g =f/g/ a/b/ | 
 c'2 |]  
X:1
L:1/4
M:43/44
K:Eb
|: (3B/c/d/ |"Eb"{cd} e G G G | E G G G |"Bb7" B A/G/ A |"Eb" c B/=A/ B |"Eb" e G G G | E G G G | 
"Bb7" B A/G/ A/B/ |1"Eb" G2 :|2"Eb" G2 |: G |"Bb7" G F/=E/ F2 |"Eb" A G/^F/ G2 |"Bb7" B A/G/ A/B/ | 
"Eb" c B/A/ (3B/c/d/ |"Eb" e G G G | E G G G |1"Bb7" B A/G/ A/B/ |"Eb" G2 :|2"Bb7" B =A/B/ c/d/ | 
"Eb" e2 |]:[K:Bb] (3f/g/a/ |"Bb"{ga} b d d d | B d d d |"F7" f e/d/ e |"Bb" g f/=e/ f | 
"Bb" b d d d | B d d d |"F7" f e/d/ e/f/ |1"Bb" d2 :|2"Bb" d2 |: d |"F7" d c/=B/ c2 | 
"Bb" e d/^c/ d2 |"F7" f e/d/ e/f/ |"Bb" g f/e/ (3f/g/a/ |"Bb" b d d d | B d d d |1 
"F7" f e/d/ e/f/ |"Bb" d2 :|2"F7" f =e/f/ g/a/ |"Bb" b2 |]:[K:F]"^Bb instruments:" (3c/d/e/ | 
"F"{de} f A A A | F A A A |"C7" c B/A/ B |"F" d c/=B/ c |"F" f A A A | F A A A |"C7" c B/A/ B/c/ |1 
"F" A2 :|2"F" A2 |: A |"C7" A G/=F/ G2 |"F" B A/^G/ A2 |"C7" c B/A/ B/c/ |"F" d c/B/ (3c/d/e/ | 
"F" f A A A | F A A A |1"C7" c B/A/ B/c/ |"F" A2 :|2"C7" c =B/c/ d/e/ |"F" f2 |]:[K:C] (3g/a/b/ | 
"C"{ab} c' e e e | c e e e |"G7" g f/e/ f |"C" a g/=f/ g |"C" c' e e e | c e e e | 
"G7" g f/e/ f/g/ |1"C" e2 :|2"C" e2 |: e |"G7" e d/=c/ d2 |"C" f e/^d/ e2 |"G7" g f/e/ f/g/ | 
"C" a g/f/ (3g/a/b/ |"C" c' e e e | c e e e |1"G7" g f/e/ f/g/ |"C" e2 :|2"G7" g =f/g/ a/b/ | 
"C" c'2 |]  