Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/8
M:4/4
K:G
['B2 GA', 'd2 c2 BGBd G2 dc BGBd c2']  
X:1
L:1/8
M:4/4
K:G
 B2 GA B2 GA | BcdB AGFG | A2 FG A2 FG | ABcA FDGA | B2 GA B2 G | BcdB AGFG | ABcA FDEF | 
 G2 B2 G4 :: d2 c2 BGBd | G2 dc BGBd | c2 B2 AFAc | F2 cB AFAc | d2 c2 BGBd | G2 dc BGBd | 
 c2 cB cedc | BAGF G2 D2 :|  