Create a composition based on the provided motif while adhering to the necessary musical structure.
X:1
L:1/8
M:6/8
K:G
['BGG DGG BGB dcB', 'G ga bgg dgg bgb bag aff'  
X:1
L:1/8
M:6/8
K:G
|: dc | BGG DGG | BGB dcB | cAA DAA | cAc edc | BGG DGG | BGB dcB | cBc Adc | BGG G :: ga | 
 bgg dgg | bgb bag | aff dff | afa agf | egg dgg | cgg Bgg | cBc Adc | BGG G :|  