Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/8
M:6/8
K:G
['BAG G2']  
X:1
L:1/8
M:6/8
K:G
 G | GAG GDD | GAG G3 | G2 d d2 d | BAG G2 G | ABc ccc | BAG G2 G/G/ | ABc BAG | 
[M:9/8] AFD D3 GGG |[M:6/8] ABc BAG |[M:9/8] AFD D3- D3 |[M:6/8] D3- D |]  