Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/8
M:6/8
K:G
['GAB BAG']  
X:1
L:1/8
M:6/8
K:G
 D | GAB BAG | FGA AGF | GAB BAG | B (d2 d2) c/B/ | cee edc | BAG d2 c/B/ | cBc ABc | B (G2 G2) ||  