Design harmonic structures to improve the musical piece.
E2- | EFGB | A<eAB | cBAB A<eAB | cBAc BAGB |1 AGFG E2 :|2 AFDF G2 |: (3(def) | [gB]2 fg edBc | 
 BAGB AFDF | GFGB A"^a.^Var:""^a." F |]  
X:1
L:1/8
M:4/4
K:G
 E2- | EFGB | A<eAB | cBAB A<eAB | cBAc BAGB |1 AGFG E2 :|2 AFDF G2 |: (3(def) | [gB]2 fg edBc | 
 BAGB AFDF | GFGB A"^a."GAc |1 BAGB A2 :|2 BcAF [GG,]2 |]"^Var:""^a." F |]  