Formulate chord combinations to increase the harmonic complexity of the specified musical excerpt.
g3 edB | BAB EFG | F/G/AF DFA | dAF Adf | g3 edB | BAB EFG | B/c/dB AGF | 
 GE=C [B,E]3 :: e3 Beg | bge gfe | d3 Adf | afd fed | e3 Beg | bge gfe | 
 B/c/dB AGF | GE=C [B,E]3 :|  
X:1
L:1/8
M:6/8
K:Edor
"Em" g3 edB | BAB"A7" EFG |"D" F/G/AF DFA | dAF Adf |"Em" g3 edB | BAB EFG |"C" B/c/dB"B7" AGF | 
 GE=C"Em" [B,E]3 ::"Em" e3 Beg | bge"A7" gfe |"D" d3 Adf | afd"B7" fed |"Em" e3 Beg | bge gfe | 
"C" B/c/dB"B7" AGF | GE=C"Em" [B,E]3 :|  