Develop a musical composition centered around the provided motif while maintaining the appropriate form.
X:1
L:1/8
M:4/4
K:G
['A2 (AB)']  
X:1
L:1/8
M:4/4
K:G
 D | G2 (GB) A2 (AB) | GABc A2 (AB) | G2 (gf) edcB | ABcA B2 G :|  