Create a composition using the letter notation of the specified musical motif and the provided melodic theme.
X:1
L:1/16
M:2/4
K:A
["b3 b b2 e'2 f3 a a4"]  
X:1
L:1/16
M:2/4
K:A
 b3 b b2 e'2 | f3 a a4 | f2 a2 f2 e2 | B8 | b3 b b2 e'2 | f3 a a4 | f2 a2 a4 | e8 |]  