Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
M:4/4
K:G
['BdAB G2 GE', 'Bdgd edgd']  
X:1
L:1/8
M:4/4
K:G
 BdAB G2 GE | DEGB cAAc | BdAB G2 GE | DEGA BG G2 :| Bdgd edgd | Bdgd eA A2 | Bdgd edgd | 
 BdAc BG G2 | Bdgd edgd | Bdgd eA Af | gfed efgd | BdAc BG G2 ||  