Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/16
M:2/4
K:Bb
['DFBc d2cd edcB G2FE', 'dBAB GBFB DFBc']  
X:1
L:1/16
M:2/4
K:Bb
 FE | DFBc d2cd | edcB G2FE | DFBc dBAB | gfdB c2FE | DFBc d2cd | edcB G2FE | DFBd cBAc | B2d2B2 :: 
 Bc | dBAB GBFB | DFBc dBAB | gBFB edcB | GccB ABce | dBAB GBFB | DFBc eBAB | gBfB edcB | 
 AFGA B2 :|  