Design various chord structures to improve the overall harmony of the assigned musical composition.
ga |: g2 c2 e2 | f2 B2 ga | g2 B2 f2 | e2 c2 ga | g2 c2 e2 | f2 B2 g2 | bg f3 B |1 
 c4 ga :|2 c4 g2 |: bg f3 B | cg e3 c | Bg f3 B | cg e2 g2 | bg f3 B | 
 cg e3 c | Bg f3 B |1 c4 g2 :|2 c4 z2 |]  
X:1
L:1/8
M:3/4
K:C
 ga |:"C" g2 c2 e2 |"G7" f2 B2 ga | g2 B2 f2 |"C" e2 c2 ga | g2 c2 e2 |"G7" f2 B2 g2 | bg f3 B |1 
"C" c4 ga :|2"C" c4 g2 |:"G7" bg f3 B |"C" cg e3 c |"G7" Bg f3 B |"C" cg e2 g2 |"G7" bg f3 B | 
"C" cg e3 c |"G7" Bg f3 B |1"C" c4 g2 :|2"C" c4 z2 |]  