Develop musical pieces that conform to the specified format and include the suggested musical theme.
X:1
L:1/8
M:4/4
K:Bmin
['dB B2', 'f2 fe'  
X:1
L:1/8
M:4/4
K:Bmin
|: FBfe dB B2 | e2 ed cA A2 | FBfe dB B2 | cedc dB B2 | fBeB dB B2 | e2 ed cA A2 | 
 (3Bcd (3cde d2 (3efg |1 f2 fe dBBA :|2 f2 fe dBBc |: Adfd Adfd | cdec fcec | dAFD FAdA | 
 cedc dBBc | defd Adfd | cdec fcec | (3Bcd (3cde d2 (3efg |1 f2 fe dBBc :|2 f2 fe dBBA ||  