Construct a range of chord structures to intensify the harmonic complexity of the provided musical piece.
g |: fA/B/ ce | dG/A/ Bd | cc/B/ c/d/e/f/ | ag dg | fA/B/ ce | dG/A/ Bd | 
 c/B/A/B/ c/d/e/f/ |1 gg gg :|2 gg g z |:[K:D] f/f/f Ad | f/f/f Ad | fe e>f | 
 ed d/c/d/e/ | f/f/f Ad | e/e/e Be | dc f>e |1 dd d z :|2 dd dg |] 
[K:C] G/G/G Gc | e/e/e ec | A/A/A Ac | !>!G3 c/c/ | TcB B>c | TdG{/A} G/^F/G | 
 Tdc c>d | ec{/d} c/B/c | G/G/G Gc | e/e/e ec | A/A/A Ac | !>!G3 e/e/ | dA A/f/e/d/ | 
 cG Ge/f/ | ed A/c/B/d/ | cc c z |]  
X:1
L:1/8
M:2/4
K:G
 g |:"D7" fA/B/ ce |"G" dG/A/ Bd |"D7" cc/B/ c/d/e/f/ |"G" ag dg |"D7" fA/B/ ce |"G" dG/A/ Bd | 
"D7" c/B/A/B/ c/d/e/f/ |1"G" gg gg :|2"G" gg g z |:[K:D]"D" f/f/f Ad | f/f/f Ad |"A7" fe e>f | 
"D" ed d/c/d/e/ | f/f/f Ad |"Em/G" e/e/e Be |"A7" dc f>e |1"D" dd d z :|2"D" dd dg |] 
[K:C]"C" G/G/G Gc | e/e/e ec |"F" A/A/A Ac |"C" !>!G3 c/c/ |"G7" TcB B>c | TdG{/A} G/^F/G | 
"C" Tdc c>d | ec{/d} c/B/c | G/G/G Gc | e/e/e ec |"F" A/A/A Ac |"C" !>!G3 e/e/ |"Dm" dA A/f/e/d/ | 
"C" cG Ge/f/ |"G7" ed A/c/B/d/ |"C" cc c z |]  