Develop harmonious chord sequences that enhance the given music composition.
AB |{B} c3 cBA |{D} E3 EAB |{B} c3 cBA |{c} [ee]3{ef} [ee]2 c | dfd{e} dcB | 
 cec{d} cBA | BcB [gB]2 f | efd cdB |{B} c3 cBA |{D} E3 EAB |{B} c3 cBA | 
{c} [ee]3{ef} [ee]2 c | dfd{e} dcB | caf ecA | BcB EFG |{G} [AA]3 [AA] |: a=g | 
 faf dfa | ecA ecA | BcB EFG | AEA cBA | fdf{b} agf | eae ecA | BcB EFG | 
{G} [AA]3 [AA] :|  
X:1
L:1/8
M:6/8
K:A
 AB |"A"{B} c3 cBA |{D} E3 EAB |"A"{B} c3 cBA |{c} [ee]3{ef} [ee]2 c |"D" dfd"Bm"{e} dcB | 
"A" cec{d} cBA |"E" BcB [gB]2 f |"E7" efd cdB |"A"{B} c3 cBA |{D} E3 EAB |"A"{B} c3 cBA | 
{c} [ee]3{ef} [ee]2 c |"D" dfd"Bm"{e} dcB |"A" caf ecA |"E" BcB EFG |"A"{G} [AA]3 [AA] |: a=g | 
"D" faf dfa |"A" ecA ecA |"E" BcB EFG |"A" AEA cBA |"D" fdf{b} agf |"A" eae ecA |"E" BcB EFG | 
"A"{G} [AA]3 [AA] :|  