Construct a musical piece using the designated motif and sticking to the alphabetical form presented.
X:1
L:1/8
M:6/8
K:G
['BGG DGG BGB dcB', 'G2 d gfg def gfg bag fdf']  
X:1
L:1/8
M:6/8
K:G
|: A | BGG DGG | BGB dcB | cAA FAA | cBc edc | BGG DGG | BGB dcB | cBc Adc | BGG G2 :: d | 
 gfg def | gfg bag | fdf ede | fef agf | egg dgg | dgg gdB | cBc Adc | BGG G2 :|  