Develop a musical composition incorporating the given motif and maintaining the required musical form.
X:1
L:1/8
M:6/8
K:Bmin
['FBB dcB', 'faf gfd BBc dcd', 'ded c B2'  
X:1
L:1/8
M:6/8
K:Bmin
|: FBB dcB | f2 b afd | ecc cde | gfe dcB | FBB dcB | efb afd | efg fdB | cdF B3 :| f b2 faf | 
 gfd BBc | dcd eef | gfd B c2 | fab faf | gfd BBc | dcd e A2 | eed c B2 | f b2 faf | gfd BBc | 
 dcd eed | cde fef | abf a e2 | gfe B c2 | Fcd ede | ffe ded :| c B2 z3 ||  