Construct a range of chord structures to intensify the harmonic complexity of the provided musical piece.
|: B2 ED EFGA | B2 ED EFGE | D2 FD DADD | BDDA DDFD | E2 ED EFGA | Bdef g2 fg | 
 afge efec |1 dBAF EdcA :|2 dBAF E4 |]: B e2 B efed | Bdef edBd | 
 A d2 A d3 e | fedf edBA | B e2 B efed | Bdef g2 fg | afge efec | dBAF E4 :|  
X:1
L:1/8
M:2/2
K:Edor
|:"Em" B2 ED EFGA | B2 ED EFGE |"D" D2 FD DADD | BDDA DDFD |"Em" E2 ED EFGA | Bdef g2 fg | 
"C" afge efec |1"D" dBAF"Em" EdcA :|2"D" dBAF"Em" E4 |]:"Em" B e2 B efed | Bdef edBd | 
"D" A d2 A d3 e | fedf edBA |"Em" B e2 B efed | Bdef g2 fg |"C" afge efec |"D" dBAF"Em" E4 :|  