Compose music with the following musical form, using the given motif as a basis.
X:1
L:1/8
M:2/4
K:A
['b2 ac b4 bcba f4 f2 b2']  
X:1
L:1/8
M:2/4
K:A
 b2 ac | b4 | bcba | f4 | f2 b2 | b2 f2 | f2 fa | bcba | fba>f | e4 |]  