Develop a musical composition centered around the provided motif while maintaining the appropriate form.
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 |]  