Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:2/4
K:G
['B d']  
X:1
L:1/8
M:2/4
K:G
 B d e2 | d B A2 | B d e d | B A3 | B d e2 | d B2 d | B d G D | E4 |]  