Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:4/4
K:Gmin
['A DGG>A Bcdf AFcA FGAc BAGA Bcdf', 'Bcde fdcB']  
X:1
L:1/8
M:4/4
K:Gmin
 A | DGG>A Bcdf | AFcA FGAc | BAGA Bcdf | AFc>A BGG :| A | Bcde fdcB | AFcF dFcF | Bcde fdcB | 
 AFc>A BGGA | Bfdf BfdB | FcAc FcAF | Bfdf BfdB | FAc>A BGG ||  