Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/16
Q:1/4=110
M:2/4
K:G
['GFGA B2B2', 'd2>c2 B2d2 g2g2 d2 z2 dcBc']  
X:1
L:1/16
Q:1/4=110
M:2/4
K:G
 D2 | GFGA B2B2 | GFGA B2B2 | dcBc A2A2 | dcBc A2A2 | GFGA B2B2 | GFGA B2B2 | dcBc AcBA | 
 G2B2 G2 :: (Bc) | d2>c2 B2d2 | g2g2 d2 z2 | dcBc A2A2 | dcBc A2A2 | d2>c2 B2d2 | g2g2 d2 z2 | 
 dcBc AcBA | G2B2 G2 :|  