Develop a musical composition utilizing the presented motif and adhering to the required structure.
X:1
L:1/8
Q:1/8=180
M:6/8
K:G
['BGG DGG BGB dcB', 'G2 g/a/ bgg dgg bgb bag aff'  
X:1
L:1/8
Q:1/8=180
M:6/8
K:G
|: d/c/ | BGG DGG | BGB dcB | cAA EAA | cBc edc | BGG DGG | BGB dcB | cBc Adc | BGG G2 :: g/a/ | 
 bgg dgg | bgb bag | aff dff | afa agf | egg dgg | cgg Bgg | cBc Adc | BGG G2 :|  