Construct a piece of music by incorporating the given motif and adhering to the determined musical form.
X:1
L:1/8
M:4/4
K:C
['BGG DGG BGB dcB', 'gdg gdg'  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:G] .abc (d/c/) | BGG DGG | BGB dcB | cAA FAA | cAc edc | BGG DGG | BGB dcB | cBc Adc | 
 BGG G2 :: g | gdg gdg | gdg bag | fdf fdf | fdf agf | egg dgg | cgg Bgg | cAc Adc | BGG G2 :|  