Create a series of chord progressions to improve the harmonic structure of the given music piece.
|: E | AGAB cABc | dcde fefg | a3 f efed | c2 B2 B2 E2 | 
 AGAB cABc | dcde fefg | a3 f efed | c2 A2 A3 :| GABc dBGB | 
 ABcd e2 E2 | FGAF EAce | c2 B2 B2 A2 | GABc dBGB | ABcd e2 E2 | 
 FGAF EedB | c2 A2 A4 | GABc dBGB | ABcd e2 E2 | FGAF EAce | 
 c2 B2 B2 E2 | AGAB cABc | dcde fefg | a3 f efed | c2 A2 A4 |]  
X:1
L:1/8
M:4/4
K:A
|: E |"A" AGAB cABc |"D" dcde"Bm" fefg |"A" a3 f"F#m" efed |"Bm" c2 B2"E" B2 E2 | 
"A" AGAB"A7" cABc |"D" dcde"Bm" fefg |"A" a3 f"E7" efed |"A" c2"D" A2"A" A3 :|"E" GABc dBGB | 
"A" ABcd e2 E2 |"D" FGAF"A" EAce |"Bm" c2 B2"E" B2 A2 |"E" GABc dBGB |"A" ABcd e2 E2 | 
"D" FGAF"E7" EedB |"A" c2 A2 A4 |"E" GABc dBGB |"A" ABcd e2 E2 |"D" FGAF"A" EAce | 
"Bm" c2 B2"E" B2 E2 |"A" AGAB"A7" cABc |"D" dcde"Bm" fefg |"A" a3 f"E7" efed |"A" c2"D" A2"A" A4 |]  