Create a piece of music utilizing the given motif and adhering to the specified structure.
X:1
L:1/16
M:3/8
K:Bb
['f4 B2 e2d2c2', 'f4 F2AFcA B2BFdB ccFec (3dfd B4 bagfed'  
X:1
L:1/16
M:3/8
K:Bb
 f4 B2 | e2d2c2 | BABcdB | c2BAGF | f4 B2 | e2d2c2 | Bbagf=e | f4 :: F2AFcA | B2BFdB | ccFec | 
 (3dfd B4 | bagfed | agfedc | B2ABcd | c2F2 z2 | Bbagfe | dfedcB | cedBcA | B6 :|  