Construct a range of chord structures to intensify the harmonic complexity of the provided musical piece.
Gc eG ce | g2 fa df | GB dG Bd | a2 gc' eg | Gc eG ce | g2 fa df | 
 GB dG Bd |1 c4 z2 :|2 c4 AG |: fG df Gf | eG ce Ge | dG Bd GB | ce g2 ag | 
 fG df Gf | eG ce Ge | dG Bd GB |1 c4 AG :|2 c4 z2 |]  
X:1
L:1/8
M:3/4
K:C
"C" Gc eG ce |"Dm" g2 fa df |"G7" GB dG Bd |"C" a2 gc' eg | Gc eG ce |"Dm" g2 fa df | 
"G7" GB dG Bd |1"C" c4 z2 :|2"C" c4 AG |:"G7" fG df Gf |"C" eG ce Ge |"G7" dG Bd GB |"C" ce g2 ag | 
"G7" fG df Gf |"C" eG ce Ge |"G7" dG Bd GB |1"C" c4 AG :|2"C" c4 z2 |]  