Produce an array of chord pairings to amplify the harmony in the given musical piece.
AB | cBAc BAGF | E3 F E4 | FEFG A2 AB | cBAc B2 AB | cBAc BAGF | 
 E3 F E4 | FCFG A2 Ac |1 BAGB A2 :|2 BAGB A2 Ac |: [df]4 dcBA | 
 c3 E c4 | [cf]3 e f2 fg | agfe f2 e2 | d4 dcBA | c3 e c4 | 
 FCFG ABcA |1 BAGB A4 :|2 BAGB A2 |]  
X:1
L:1/8
M:2/2
K:A
 AB |"A" cBAc"E" BAGF |"A" E3 F E4 |"F#m" FEFG A2 AB |"C#m" cBAc"E" B2 AB |"A" cBAc"E" BAGF | 
"A" E3 F E4 |"F#m" FCFG A2 Ac |1"E" BAGB"A" A2 :|2"E" BAGB"A" A2 Ac |:"D" [df]4 dcBA | 
"C#m" c3 E c4 |"F#m" [cf]3 e f2 fg | agfe f2"E" e2 |"D" d4 dcBA |"C#m" c3 e c4 | 
"F#m" FCFG"C#m" ABcA |1"E" BAGB"A" A4 :|2"E" BAGB"A" A2 |]  