Produce an array of chord pairings to amplify the harmony in the given musical piece.
K:C] E G G | A3/2 G/ G | G c d | c3/2 B/ B | F G G | A3/2 G/ G |1 G d e | d3/2 c/ c :|2 
 G B d | c z z |: A2 f | G2 e | d3/2 c/ B | c e G | A2 f | G2 e | 
 d3/2 c/ B | c z z :|[K:F] A3 | A F"_=" d | c3 | B2 z |"_e" e z e |"_d" d z"_=" d | 
 c A d | c2 z | f3 | A c3/2"_=" d/ | c3 |"_b" B2 z |"_g" G"_d" d c | B A G | (F3 | 
 F) z z |  
X:1
L:1/4
M:3/4
K:none
[K:C]"C" E G G | A3/2 G/ G | G c d |"G7" c3/2 B/ B | F G G | A3/2 G/ G |1 G d e |"C" d3/2 c/ c :|2 
"G7" G B d |"C" c z z |:"F" A2 f |"C" G2 e |"G7" d3/2 c/ B |"C" c e G |"F" A2 f |"C" G2 e | 
"G7" d3/2 c/ B |"C" c z z :|[K:F]"F" A3 | A F"_=" d |"C7" c3 | B2 z |"_e" e z e |"_d" d z"_=" d | 
"F" c A d | c2 z | f3 | A c3/2"_=" d/ |"Gm" c3 |"_b" B2 z |"C7""_g" G"_d" d c | B A G |"F" (F3 | 
 F) z z |]  