Construct a range of chord structures to intensify the harmonic complexity of the provided musical piece.
GF | EBBA B2 EB | B2 AB dBAG | (3FED AD BDAD | (3FED AD BAGF | EBBA B2 EB | 
 B2 AB defg | afe^c dBAF | DEFD E2 :: gf | eB B2 eBge | eB B2 gedB | A2 FA DAFB | 
 A2 FA defg | eB B2 eBgf | eB B2 defg | afe^c dBAF | DEFD E2 :|  
X:1
L:1/8
M:2/2
K:G
 GF |"Em" EBBA B2 EB | B2 AB dBAG |"D" (3FED AD BDAD | (3FED AD BAGF |"Em" EBBA B2 EB | 
 B2 AB defg |"D" afe^c dBAF | DEFD"Em" E2 :: gf | eB B2 eBge | eB B2 gedB |"D" A2 FA DAFB | 
 A2 FA defg |"Em" eB B2 eBgf | eB B2 defg |"D" afe^c dBAF | DEFD"Em" E2 :|  