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:Gmin
['Bc dc Bd', 'df fg f2 dc BG FG B2']  
X:1
L:1/8
M:4/4
K:Gmin
 Bc | dc Bd c2 BG | FD DG FG Bc | dc Bd c2 Bc | dg gf g2 fe | dc (3Bcd c2 BG | FD (3DDD FG Bc | 
 dc Bd cBGF | G2 GF G2 :| Bc | df fg f2 dc | BG FG B2 Bc | dg gf g2 fe | dc (3Bcd c3 z | 
 df fg f2 dc | BG FG B2 z2 | dc Bd cBGF | G2 GF G2 :|  