Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/8
M:34/44
K:Ab
['z2 EF']  
X:1
L:1/8
M:34/44
K:Ab
|:"Ab" [cA][BG] [AF][BG] [cA][dB] | [cA]2 [ec]2 [ec]4 |"Eb7" [BG]2 [dB][c=A] [dB][BG] | 
"Ab" A2 F2 E4 |"Ab" [cA][BG] [AF][BG] [cA][dB] | [cA]2 [ec]2 [ec]4 | 
"Eb7" [BG]2 [dB][c=A] [dB][BG] |1"Ab" A2 z2 z2 :|2"Ab" A2 z2 EF |:"Eb7" E2 [BG][BG] [BG][BG] | 
 [BG]2 z2 EF |"Ab" E2 [cA][cA] [cA][cA] | [cA]2 z2 EF |"Eb7" E2 [BG]2 [BG]4 |"Ab" E2 [cA]2 [cA]4 |1 
"Eb7" [eG]2 [dB][cA] [BG][dB] |"Ab" [cA]2 z2 EF :|2"Eb7" [fd][ec] [=d=B][ec] [_d_B][BG] | 
"Ab" A2 z2 z2 |]  