Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/8
M:4/4
K:Gmin
['bBAB GBFB', 'fdbd fdeg'  
X:1
L:1/8
M:4/4
K:Gmin
|: FA | BABc Bdfa | bBAB GBFB | E2 gf edcB | (3ABc (3BAG Fedc | BABc Bfga | bBAB GBFB | EGce dcBA | 
 c2 B2 B2 :: de | fdbd fdeg | fdbd fdeg | fdgf edcB | (3ABc (3BAG Fedc | BABc Bfga | bBAB GBeg | 
 fdBd cAFA | c2 B2 B2 :|  