Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
M:2/2
K:Bmin
['(Bb) fBde', 'eAce fBdB'  
X:1
L:1/8
M:2/2
K:Bmin
|: vf2 (Bb) fBde | f2 (Aa) eAce | f2 (Bb) fBde | f^gaf eAce :| fBdB fBde | fBdB eAce | fBdB aBgB | 
 f^gaf eAce | fBdB fBde | fBdB eAce | fBdB aBgB | f^gaf eAc"^Fine."e |]  