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 BA', '[df]2 fd'  
X:1
L:1/8
M:4/4
K:Bmin
|: B2 BA decA | B2 BA BF (3FFF | B2 BA edcA | EFcA cB (3BBB | BcAF decA | B2 BA BF (3FFF | 
 B2 BA edcA | EFed cB (3BBB :: [df]2 fd BcdB | [Ae]fec AB(3cBA | [df]2 fd Bcdf | edcA cB (3BBB | 
 [df]2 fd BcdB | efec EFAc | dedB cA (3AAA | EFed cB (3BBB :|  