Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/8
M:3/4
K:Bmin
['', 'B,3 EDB, E4 E2 F6-', 'GA BA d=c']  
X:1
L:1/8
M:3/4
K:Bmin
 EDA, |: B,3 EDB, | E4 E2 | F6- | F3 EDB, | B,3 EDB, | E4 E2 | F6- |1 F3 EDB, :|2 F6 || EG GE EG | 
 GA- A2 GA | BA d=c BA | F2 G2 A2 | EG GE EG | GA- A2 GA | BA d=c BA | B4 GF | EG GE EG | 
 GA- A2 GA | BA d=c BA | A2 G2 F2 | EG GE EG | GA- A2 GA | BA d=c BF | G6 ||  