Create a series of chord progressions to improve the harmonic structure of the given music piece.
"^A" |: E2 F G2 A BGE |1,3 ^D2 E F2 G AFD :|2,4 dcB AF^D E2 :: e2 f g2 a bge |1 fef ^def afd :|2 
 fed B^c^d e2 d :|3 fef def afd | bag agf gfe | dcB AF^D E2 |]  
X:1
L:1/8
M:9/8
K:Emin
"^A" |: E2 F G2 A BGE |1,3 ^D2 E F2 G AFD :|2,4 dcB AF^D E2"B" :: e2 f g2 a bge |1 fef ^def afd :|2 
 fed B^c^d e2 d :|3 fef def afd | bag agf gfe | dcB AF^D E2 |]  