Design harmonic structures to improve the musical piece.
dddd e2 e2 | dedc B2 G2 | BcdB edcB | AGAB G2 G2 | BBBB c2 c2 | 
 AAdc BA G2 | BcdB edcB | AGAB G2 G2 |]  
X:1
L:1/8
M:4/4
K:G
"G" dddd"C" e2 e2 |"D" dedc"G" B2 G2 |"G" BcdB"C" edcB |"D" AGAB"G" G2 G2 |"Em" BBBB"Am7" c2 c2 | 
"D" AAdc"G" BA G2 |"G" BcdB"C" edcB |"D" AGAB"G" G2 G2 |]  