Compose a piece of music following the given alphabetical representation of the musical structure and the provided motif.
X:1
L:1/16
M:2/8
K:Gmin
['z2 F2 GABA BAG2 F2G2- G2 z2']  
X:1
L:1/16
M:2/8
K:Gmin
 z2 F2 | GABA | BAG2 | F2G2- | G2 z2 | d2c2- | czF2 | GABA | BAGF | G2F2 | G4 | F2G2- | G4 |]  