Develop chord sequences that enhance the given musical composition.
|: g4 B2d2 | cBcA B2G2 | D2G2 B2d2 | cBcA B2G2 | gfg2 B2d2 | cBcA B2G2 | 
 D2G2 B2d2 | dcBA G4 ::[K:C] G2c2 e4 | defd e4 | g2g2 a2a2 | 
 gfed e2c2 | G2c2 e4 | defd e4 | g2g2 a2a2 | gfed c4 :|  
X:1
L:1/16
M:2/4
K:G
|:"G" g4 B2d2 |"D7" cBcA B2G2 |"G" D2G2 B2d2 |"D7" cBcA B2G2 |"G" gfg2 B2d2 |"D7" cBcA B2G2 | 
"G" D2G2 B2d2 |"D7" dcBA"G" G4 ::[K:C]"C" G2c2 e4 |"G7" defd"C" e4 | g2g2"F" a2a2 | 
"G7" gfed"C" e2c2 | G2c2 e4 |"G7" defd"C" e4 | g2g2"F" a2a2 |"G7" gfed"C" c4 :|  