Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:6/8
K:G
['GBB B2 A Bcd BAG', 'gfe dBd gdB ABG AFD dBG Ggf']  
X:1
L:1/8
M:6/8
K:G
|: D | GBB B2 A | Bcd BAG | EFE c2 B | ABG FED | GBB B2 A | Bcd BAG | EFG ABc |1 BAG G2 :|2 
 BAG G3 |: dBG Ggf | ece gfe | dBd gdB | ABG AFD | dBG Ggf | ece gfe | dcB Adc |1 BAG G2 B :|2 
 BAG G3 ||  