Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:2/4
K:G
['BABc dc A2 BBce Bd B2 G2']  
X:1
L:1/8
M:2/4
K:G
 BABc | dc A2 | BBce | Bd B2 | G2 e2 | dg B2 | dcAB/c/ | dc B2 |]  