Compose a musical piece that incorporates the given motif and adheres to the specified form.
X:1
L:1/8
M:6/8
K:G
['GAB GAG', 'g2 d f2 d'  
X:1
L:1/8
M:6/8
K:G
 GAB GAG | BAG BgB | GAB GAG | cAF AfA | GAB cAB | BAB BGG |[M:4/4] c2 ABcA d2 BcdB | 
[M:6/8] cAF AfA :: g2 d f2 d | dcB BgB | g2 d f2 d | cAF AfA | g2 d f2 d |[M:4/4] G2 BcdB d2 BcdB | 
 c2 ABcA d2 BcdB |[M:6/8] cAF AfA :|  