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
['B2 d>e', 'd>e f>g a<d f2'  
X:1
L:1/8
M:4/4
K:Bmin
|: B2 d>e f<B d2 | B2 d>e f>e f<a | B2 d>e f<B d2 | e>f e>d c>A c<e :| d>e f>g a<d f2 | 
 d>e f>e f>e f<a | d>e f>g a<d f2 | e>f e>d c>A c<e | d>e f>g a<d f2 | d>e f>e f>e f<a | 
 d>a f<a d>a f<a | e>f e>d c>A c<e ||  