Construct congruent chords that enhance the existing musical piece.
|:"^A" ^G/A/A/A/ A/A/A/A/ | ^G/A/A/A/ A/A/A/A/ ::"^B" A>B =cB | AB GA | F G/F/ ED |1 
 E=c BA :|2 E2 E2 |"^C" A2 AA | A A3 | GFGF | E2 E2 |: [DA]2 [DA]2 | [DA]2 [DA]2 | 
 [GD][FD][GD][FD] |1 E3 E :|2 [AE]3 [AE] |:"^D" [GB][FA] [GB][A=c] | [GB][FA] [EG]2 | 
 [GB][FA] [GB][A=c] | [GB][FA] [EG]2 | [GB][FA] [GB][A=c] | [GB][FA] [EG]2 | 
 [DF]/[EG]/[FA] [DF]D | [CE]2 [CE]2 ::"^E" AB =cB | A=c BA/B/ | =cB Ac | 
 BA BA ::"^F" dd A=c | BA Gc/G/ | FG/F/ ED |1 E=c BA :|  
X:1
L:1/8
Q:1/4=144
M:2/4
K:Edor
|:"^A""D" ^G/A/A/A/ A/A/A/A/ |"A7" ^G/A/A/A/ A/A/A/A/ ::"^B" A>B =cB |"A7" AB GA |"D" F G/F/ ED |1 
 E=c BA :|2"A7" E2 E2 |"^C" A2 AA | A A3 | GFGF | E2 E2 |: [DA]2 [DA]2 | [DA]2 [DA]2 | 
 [GD][FD][GD][FD] |1 E3 E :|2 [AE]3 [AE] |:"^D""G" [GB][FA] [GB][A=c] | [GB][FA] [EG]2 | 
"G" [GB][FA] [GB][A=c] | [GB][FA] [EG]2 |"G" [GB][FA] [GB][A=c] | [GB][FA] [EG]2 | 
"D" [DF]/[EG]/[FA] [DF]D |"A7" [CE]2 [CE]2 ::"^E""D" AB =cB |"A7" A=c BA/B/ |"D" =cB Ac | 
"A7" BA BA ::"^F""D" dd A=c |"A7" BA Gc/G/ |"D" FG/F/ ED |1"A7" E=c BA :|  