Construct a piece of music built on the supplied alphabet sequence and motif.
X:1
L:1/8
M:2/4
K:Amin
['[ec][ec] [dB][cA]- [cA]3 [dB] [ec]2', 'z [BD][BD][AC] [BD]2']  
X:1
L:1/8
M:2/4
K:Amin
|:"Am" [ec][ec] [dB][cA]- | [cA]3 [dB] | [ec]2 [fd][ec]- | [ec][dB] [cA]2 | 
"Dm" [fd][fd] [ec][dB]- | [dB]3 [ec] | [fd]2 [fd][fd]- | [fd][ge][fd][dB] | 
"Am" [ec][ec] [dB][cA]- | [cA]3 [dB] | [ec]2 [ec]2 |"E7" [eB]2 [dB]2 |"Am" [dB][ec]- [ec]2- | 
 ([e-c]4 |"E7" [eB]4-) | [eB]4 ::"Am" z [cE]2 [BD] | [cE]2 [AC]2 | [cE]2 [BD][cE]- | [cE]4 | 
 z [cE][cE][BD] | [cE]2 [BD][cE] |"Dm" [dF]2 [cE][dF]- | [dF][cE] [cE][BD] |"E7" z [BD][BD][AC] | 
 [BD]2 [^GB,]2 | [BD]2 [AC][BD]- | [BD]4 | z [BD][BD][AC] | [BD]2 [AC][BD] |"Am" [cE]2 [BD][cE]- | 
 [cE][BD] [BD][AC] :|"^(vamp)" [AC]4- | [AC]4 |]  