Create chord structures that will improve the harmony of the provided musical section.
A | A d f | f z f | f a g | f z A | A d f | f z f | f g f | e z A | A c e | g z c' | 
 c' b a | g z c' | c' b a | g z e | e f g | f2 A | A d f | f z f | f a g | f z A | A d f | 
 f z a | a d' c' | b2 g | g/f/ e g | f/e/ d f | e/d/ c a | d z z || f3 | 
 f a/g/ f/e/ | d3 | d b/a/ g/f/ | .e !>!e3/2 d/ | c3 | .a a3/2 g/ | f2 d | f3 | 
 f a/g/ f/e/ | d3 | d b/a/ g/f/ | e b3/2 c'/ | d' f b | g/g/ e a | d z d/=c/ || 
[K:G] B2 c | d2 g | b a g | g2 f | A2 B | c2 d | f e c | B3 | B2 c | d2 g | b a g | 
 a3 | e/e/ e e | d3 | f/f/ f a | g z z |]  
X:1
L:1/4
M:3/4
K:D
 A |"D" A d f | f z f | f a g | f z A | A d f | f z f | f g f |"A7" e z A | A c e | g z c' | 
 c' b a | g z c' | c' b a | g z e | e f g |"D" f2 A | A d f | f z f | f a g | f z A | A d f | 
 f z a |"D7" a d' c' |"G" b2 g | g/f/ e g |"D" f/e/ d f |"A7" e/d/ c a |"D" d z z ||"D" f3 | 
 f a/g/ f/e/ | d3 | d b/a/ g/f/ |"A7" .e !>!e3/2 d/ | c3 | .a a3/2 g/ |"D" f2 d | f3 | 
 f a/g/ f/e/ | d3 | d b/a/ g/f/ |"A7" e b3/2 c'/ |"D" d' f b |"A7" g/g/ e a |"D" d z"D7" d/=c/ || 
[K:G]"G" B2 c | d2 g | b a g |"D7" g2 f | A2 B | c2 d | f e c |"G" B3 | B2 c | d2 g | b a g | 
"Am" a3 |"A7" e/e/ e e |"G/D" d3 |"D7" f/f/ f a |"G" g z z |]  