Develop a musical piece using the given motif and adhere to the outlined structure.
X:1
L:1/8
M:6/8
K:G
['BcB BcB', 'cB gzB BAG ABA AB/c/d gzg fge'  
X:1
L:1/8
M:6/8
K:G
|: BcB BcB | BcB AGA | BcB AzB | cBA AGA | BcB BcB | Bcd e3 | dcB Azd |1 cBA G3 :|2 cBA GBd |: 
 gzd z cB | gzd z cB | gzB BAG | ABA AB/c/d | gzg fge | ded dcB | cde dcB |1 ABA GBd :|2 ABA G3 ||  