Develop harmonious chord sequences that enhance the given music composition.
|: A=G | E2 A2 A2 cd | efec d2 cd | edcB ABcA | B=GEF =G2 AG | E2 A2 A2 cd | 
 efec d2 cd | eaag a=ged | c2 A2 A2 :: ef | =gfef gfef | =gfec d2 cd | 
 edcB ABcA | B=GEF =G2 AG | EAAG ABcd | efec d2 cd | eaag a=ged | 
 c2 A2 A2 :|  
X:1
L:1/8
M:2/4
K:A
|: A=G |"A" E2 A2 A2 cd |"A" efec"D" d2 cd |"A" edcB ABcA |"Em" B=GEF =G2 AG |"A" E2 A2 A2 cd | 
"A" efec"D" d2 cd |"A" eaag"Em" a=ged |"A" c2 A2 A2 :: ef |"Em" =gfef gfef | =gfec"D" d2 cd | 
"A" edcB ABcA |"Em" B=GEF =G2 AG |"A" EAAG ABcd |"A" efec"D" d2 cd |"A" eaag"Em" a=ged | 
"A" c2 A2 A2 :|  