Design harmonic structures to improve the musical piece.
"^/@<.8(D7)" d2 | gedB G2 AB | cABG AGEG | DGBd g2 g2 | fgag fdef | gedB G2 AB | 
 cABG AGEG | cABG AGEG | DGGF G2 :: d2 | gfga bagf | gfed cBAG | 
 EAAB cBAG | EAAG Adef | gfga bagf | gfed edBd | cABG AGEG | 
 DGGF G2 :|  
X:1
L:1/8
M:4/4
K:G
"^/@<.8(D7)" d2 |"G" gedB G2 AB |"C" cABG AGEG |"G" DGBd g2 g2 |"D" fgag fdef |"G" gedB G2 AB | 
"C" cABG AGEG |"C" cABG"Am" AGEG |"D7" DGGF"G" G2 :: d2 |"G" gfga"D7" bagf |"Em" gfed cBAG | 
"Am" EAAB cBAG |"Am" EAAG"D7" Adef |"G" gfga"D7" bagf |"Em" gfed edBd |"Am" cABG"C" AGEG | 
"D7" DGGF"G" G2 :|  