Create a series of chord progressions to improve the harmonic structure of the given music piece.
GA |: G2 E2 E2 | EC EG cG | G>F d2 d2 | d4 BG | AG Ac Bc | cB ce dF | EG cG FE | 
 E2 D2 GA | G2 E2 E2 | EC EG cG | G>F D2 D2 | D4 B,G, | G,C B,D CE | DF EG FA | 
 Gc GE FD |1 C4 GA :|2 C4 EC |: FD B,G, EC | FD B,G, EC | 
 FD B,G, EC | F4 G2 | G4 AB | cB AG FE | DC DE CD |1 C4 GA :|2 C4 z2 |]  
X:1
L:1/8
M:3/4
K:C
 GA |:"C" G2 E2 E2 | EC EG cG |"G7" G>F d2 d2 | d4 BG |"Dm" A"F"G Ac Bc | cB ce dF |"C" EG cG FE | 
"G7" E2 D2 GA |"C" G2 E2 E2 | EC EG cG |"G7" G>F D2 D2 | D4 B,G, |"C" G,C B,D CE |"G7" DF EG FA | 
"C" Gc GE"G7" FD |1"C" C4 GA :|2"C" C4 EC |:"G7" FD B,G,"C" EC |"G7" FD B,G,"C" EC | 
"G7" FD B,G,"C" EC |"G7" F4 G2 |"C" G4 AB |"Am" cB AG FE |"G7" DC DE CD |1"C" C4 GA :|2"C" C4 z2 |]  