Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:9/8
K:Bmin
['BAB def BAB gf/e/d cAc dcA', 'f/e/d(A A)fe']  
X:1
L:1/8
M:9/8
K:Bmin
|: BAB def BAB | gf/e/d cAc dcA | F2 d cd(f f)dc | B3 ABe/f/ gfd | BAB def BAB | gf/e/d cAc dcA | 
 dFd Adf d A2 |1 BAF EFA BBB :|2 BAF EDE FBc |: FDF cdA dAd | B2 f g2 f gfd | c2 A dcA f2 a | 
 f/e/d(A A)fe dcd | FDF cdA dAd | B2 f g2 f gfd | c2 A dcA f2 a |1 f/e/d(A A)fe dcd :|2 
 f/e/d(A A)fe dcA ||  