Develop diverse chord patterns to increase the melodic richness of the submitted musical excerpt.
F3 | A2 B | A3 | f3 | A3 | e2 d | (c3 | c) z z | G3 | A2 B | A3 | g3 | c3 | f2 e | (d3 | 
 d) z z | F3 | A2 B | A3 | f3 | a3 | g2 f | (B3 | B) z z | g3 | g B g | f3 | f A f | 
 e3 | e B c | (d3 | d) z e ||[K:A] d c d | g z g | f3 | B3 | c ^B c | f z f | e3 | 
 A3 | f ^e f | c'2 b | e ^d3/2 e/ | b2 a | .e .^e .f | g c'3/2 b/ | (a3 | a) z A || 
[K:D] A/A/ A B | c f e | d/d/ d e | f b a | g/c'/ c'3/2 b/ | a c c | f/b/ b3/2 a/ | 
 f d d | A/A/ A B | c f e | d/d/ d e | f b a | f/g/ c'3/2 b/ | a g c | (d3 | 
 d) z d' ||[K:G] b3/2 g/ d | z b b | c'3/2 a/ e | z a g | f A B | c f3/2 e/ | ^c2 d | 
 z b b | b3/2 g/ d | z b b | c'3/2 a/ e | z a/a/ a/a/ | b d g | a d f | (g3 | 
 g) z z |]  
X:1
L:1/4
M:3/4
K:D
"D" F3 | A2 B | A3 | f3 | A3 | e2 d |"A7" (c3 | c) z z | G3 | A2 B | A3 | g3 | c3 | f2 e |"D" (d3 | 
 d) z z | F3 | A2 B | A3 | f3 | a3 |"D7" g2 f |"G" (B3 | B) z z | g3 | g B g |"D" f3 | f A f | 
"A7" e3 | e B c |"D" (d3 | d) z e ||[K:A]"E7" d c d | g z g | f3 | B3 |"A" c ^B c | f z f | e3 | 
 A3 |"D" f ^e f | c'2 b |"A" e ^d3/2 e/ | b2 a |"E7" .e .^e .f | g c'3/2 b/ |"A" (a3 | a) z A || 
[K:D]"A7" A/A/ A B | c f e |"D" d/d/ d e | f b a |"A7" g/c'/ c'3/2 b/ | a c c |"D" f/b/ b3/2 a/ | 
 f d d |"A7" A/A/ A B | c f e |"D" d/d/ d e | f b a |"A7" f/g/ c'3/2 b/ | a g c |"D" (d3 | 
 d) z d' ||[K:G]"G" b3/2 g/ d | z b b |"Am" c'3/2 a/ e | z a g |"D7" f A B | c f3/2 e/ |"G" ^c2 d | 
 z b b | b3/2 g/ d | z b b |"Am" c'3/2 a/ e | z a/a/ a/a/ |"G" b d g |"D7" a d f |"G" (g3 | 
 g) z z |]  