Develop a musical composition by incorporating the given alphabetic framework and motif.
X:1
L:1/8
M:4/4
K:Bmin
['BBBA F3', 'd2 df']  
X:1
L:1/8
M:4/4
K:Bmin
 z | BBBA F3 G | A2 AB cBAc | BBBA F3 e | fedc B3 :| c | d2 df e2 ef | d2 df ecAc | d2 df e2 ee | 
 fedc B3 :|  