Design harmonic structures to improve the musical piece.
g4 | f4 | e4 | d4 | cd/e/ dc | Bc/d/ cB | AB/c/ BA |1 GG Bd :|2 
 G2 z2 |: D>G BG | F>A cd | ed cA | ed BG | D>G BG | F>A cd | 
 ed cA | GG G z :: dG/B/ dG | e/d/c/A/ F2 | cF/A/ cF | e/d/B/G/ D2 | dG/B/ dG | 
 e/d/c/A/ F2 | cF/A/ cF | GB G z :|  
X:1
L:1/8
M:2/4
K:G
"G" g4 |"D7" f4 |"C" e4 |"G" d4 |"C" cd/e/ dc |"G" Bc/d/ cB |"D7" AB/c/ BA |1"G" GG Bd :|2 
"G" G2 z2 |:"G" D>G BG |"D7" F>A cd |"C" ed"D7" cA |"G" ed BG | D>G BG |"D7" F>A cd | 
"C" ed"D7" cA |"G" GG G z ::"G" dG/B/ dG |"D7" e/d/c/A/ F2 | cF/A/ cF |"G" e/d/B/G/ D2 | dG/B/ dG | 
"D7" e/d/c/A/ F2 | cF/A/ cF |"G" GB G z :|  