Develop a musical composition centered around the provided motif while maintaining the appropriate form.
X:1
L:1/8
M:4/4
K:Ador
['A3 B']  
X:1
L:1/8
M:4/4
K:Ador
|: B | A3 B A2 GE | A2 GA BddB | A3 B AGEF | G3 A Bdd :|  