Construct a range of chord structures to intensify the harmonic complexity of the provided musical piece.
z/ ed/ cB | A^G AE | z/ ed/ cB | A^G AA | G/gf/ fe | G/ed/ dc | 
 c/B/c/d/ eE | cB A2 | cc cA | BB B^G | AA A/c/B/A/ | ^GG E2 | 
 cc c/B/c | dd dc/B/ | ce Be | AA A2 |]  
X:1
L:1/8
M:4/8
K:Amin
"Am" z/ ed/"E" cB |"Am" A^G AE | z/ ed/"E7" cB |"Am" A^G AA |"G" G/gf/"C" fe |"E" G/ed/"Am" dc | 
"Dm" c/B/c/d/"Am" eE |"E7" cB"Am" A2 |"Am" cc cA |"E" BB B^G |"Am" AA A/c/B/A/ |"E" ^GG E2 | 
"Am" cc c/B/c |"Dm" dd dc/B/ |"Am" ce"E" Be |"Dm" AA"Am" A2 |]  