Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:4/4
K:Bmin
['D<B, B>d B<F F>B', 'b<f a>f e>c B/B/B f2 :|2 e/d/c/B/']  
X:1
L:1/8
M:4/4
K:Bmin
 F | D<B, B>d B<F F>B | A<E E>D C<A, A,B,/C/ | D<B, B>d B<F F>B |1 A>F E>C B,/B,/B, B,>F :|2 
 A>F E>C B,/B,/B, B,>f |: e/d/c/B/ f>B d>f b<f | a>f e<a c<A a>A |1 e/d/c/B/ f>B d>f b<f | 
 a>f e>c B/B/B f2 :|2 e/d/c/B/ f<d e>c d<B | A>F E>C B,/B,/B, B, ||  