Construct a range of chord structures to intensify the harmonic complexity of the provided musical piece.
(C/E/) | G G G c | G/A/ G/F/ E E | G F F D | A2 G (C/E/) | G G G c | 
 G/A/ G/F/ E E | G F F B, | D2 C |]  
X:1
L:1/4
Q:1/4=178
M:4/4
K:C
 (C/E/) |"C" G G G c |"C" G/A/ G/F/ E E |"G7" G F F D |"C" A2 G (C/E/) |"C" G G G c | 
"C" G/A/ G/F/ E E |"G7" G F F B, |"G7" D2"C" C |]  