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:D
['B<E B>A', 'g>f e>f']  
X:1
L:1/8
M:4/4
K:D
 e>d | B<E B>A B<E B>c | d>B A>G F>D (3FGA | B<E B>A B<E B>A |1 (3Bcd F>A G<E :|2 
 (3Bcd F>A G<E E2 || g>f e>f g<e b>g | f>e d>e f<d a>f | g>f e>f g<e b>g | f>e ^d>b g<e e>f | 
 g>f e>f (3gab (3efg | f>e d>e (3fga (3def | (3gab (3fga (3efg (3dcd | (3Bcd F>A G<E e>d ||  