Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/8
M:6/8
K:G
['BcB AGE DGG FGA', 'G2 A BAB cBc dgg fdc def']  
X:1
L:1/8
M:6/8
K:G
 G/A/ | BcB AGE | DGG FGA | BAB cBc | def gdc | BcB AGE | DGG FGA | Bcd cAF | AGF G2 :: A | 
 BAB cBc | dgg fdc | def gfg | abg fdd | dgg b2 g | a2 g fdc | Bcd cAF | AGF G2 :|  