Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:4/4
K:Bmin
['FBBA Bcde', 'fB B2']  
X:1
L:1/8
M:4/4
K:Bmin
 FBBA Bcde | f2 ef dcBA | FA A2 FA EA | FA A2 fAeA | FBBA Bcde | f2 ef dcBA | f2 ef dfcf |1 
 FBBA B2 BA :|2 FBBA Bcde || fB B2 fBde | f2 bf afea | fB B2 fBdf | eA A2 eAce | fB B2 fBde | 
 f2 bf afef | f2 ef dfcf |1 FBBA Bcde :|2 FBBA B3 A ||  