Compose a piece of music based on the provided motif and adhering to the outlined musical structure.
X:1
L:1/8
M:4/4
K:Bmin
['fBBA F3 B A2 FB AB/c/de f2', 'effe dcdf adfa b2 af'  
X:1
L:1/8
M:4/4
K:Bmin
|: fBBA F3 B | A2 FB AB/c/de | f2 BA F3 A | B/c/dcA B2 ba | fBBA F3 B | A2 FB AB/c/de | 
 f2 af effe |1 dBAF B2 ba :|2 dBAF BDFA |: d2 df adfa | b2 af effe | dcdf adfa | b2 af effe | 
 dcdf adfa | b2 af efde | f2 BA F3 A |1 B/c/dcA B3 c :|2 BdcA B2 ba ||  