Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:9/8
K:Gmin
['BAG GDG G2 B', 'Bcd ded']  
X:1
L:1/8
M:9/8
K:Gmin
|: BAG GDG G2 B | AGF FCF ABc | BAG GDG G2 B | ABc cdB AGF :: Bcd ded f2 d | Bcd def ecA | 
 Bcd ded d2 d | edc cdB AGF :|  