Develop harmonious chord sequences that enhance the given music composition.
gf | edc BAG | BcB Bgf | edc BAG | ABA Agf | edc BAG | BcB B2 c | def gdB | ABA A :: 
 Bc | d2 B d2 B | d2 B dgf | e2 c e2 c | e2 c e2 f | g2 a b2 a | gfe dcB | def gdB | 
 ABA A :|  
X:1
L:1/8
M:6/8
K:G
 gf |"G" edc BAG | BcB Bgf | edc BAG |"D7" ABA Agf |"G" edc BAG | BcB B2 c | def gdB |"D7" ABA A :: 
 Bc |"G" d2 B d2 B | d2 B dgf |"C" e2 c e2 c | e2 c e2 f |"G" g2 a b2 a | gfe dcB | def gdB | 
"D7" ABA A :|  