Create a fitting sequence of chord progressions to accompany the given music piece.
|: [ec][af] [ge][fd] [ec][fd] [ec]2 [cA] | 
 [ec][dB]/[ec]/ [dB]/[cA]/[BG] [cA][dB]"^(E7)" [ec][fd][ec] | 
 [ec][af] [ge][fd] [ec][fd] [ec]2 [cA] | [ec][dB]/[ec]/ [dB]/[cA]/[BG] [cA]2 [cA] z2 :| 
 [ec]2 [ec]2 [fd]2 [ec]3 | [ec]2 [dB]2 [cA][BG] [cA]2 [dB] | 
 [ec]2 [ec]2 [fd]2 [ec]3 | [dB][ec] [dB][cA] [cA]2- [cA]3 |: 
 [fd]2 [fd][fd] [fd]2 [fd][ec][dB] | [ec]2 [fd]2 [ge][fd] [ec]2 [cA] | 
 [dB]2 [ec]2 [fd]2 [ec]3 | [dB][ec] [dB][cA] [cA]2- [cA]3 :|  
X:1
L:1/8
M:9/8
K:A
|:"A" [ec][af] [ge][fd] [ec][fd] [ec]2 [cA] | 
"E7" [ec][dB]/[ec]/ [dB]/[cA]/[BG]"A" [cA][dB]"^(E7)" [ec][fd][ec] | 
"A" [ec][af] [ge][fd] [ec][fd] [ec]2 [cA] |"E7" [ec][dB]/[ec]/ [dB]/[cA]/[BG]"A" [cA]2 [cA] z2 :| 
"A" [ec]2 [ec]2"D" [fd]2"A" [ec]3 |"E7" [ec]2 [dB]2 [cA][BG]"A" [cA]2 [dB] | 
"A" [ec]2 [ec]2"D" [fd]2"A" [ec]3 |"E7" [dB][ec] [dB][cA]"A" [cA]2- [cA]3 |: 
"D" [fd]2 [fd][fd] [fd]2 [fd][ec][dB] |"E" [ec]2 [fd]2 [ge][fd]"A" [ec]2 [cA] | 
"E7" [dB]2 [ec]2 [fd]2"A" [ec]3 |"E7" [dB][ec] [dB][cA]"A" [cA]2- [cA]3 :|  