Create a composition based on the provided motif while adhering to the necessary musical structure.
X:1
L:1/8
M:4/4
K:Emin
['B2- B>A B<e e>f', 'e>bg>b e>b a/g/f/e/'  
X:1
L:1/8
M:4/4
K:Emin
|: B2- B>A B<e e>f | g>f e>f g>f g<b | B2- B>A B<e e>f | g>e a/g/f/e/ d>e f<d :: 
 e>bg>b e>b a/g/f/e/ | d>af>a d>f b/a/g/f/ | e>bg>b e>b a/g/f/e/ | f/e/f/g/ b/a/g/f/ e2- eB :|  