Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
M:4/4
K:Bmin
['Bcd c2 A Bce f3 fed e2', 'f3 fed'  
X:1
L:1/8
M:4/4
K:Bmin
 Bcd c2 A | Bce f3 | fed e2 f | fed cBA | Bcd c2 A | Bce f3 | fed e2 f | dcA B3 :| f3 fed | 
 e3 ede | f2 B Bcd | e2 d cBA | f3 fed | e3 ede | f2 B Bcd | cBA B3 | f3 fed | e3 ede | f2 B Bcd | 
 e2 d cBA | Bcd c2 A | Bce f3 | fed e2 f | dcA B3 :|  