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 f2 d3 f e2 dc cd', 'cd dc d2'  
X:1
L:1/8
M:4/4
K:Bmin
 B2 f2 d3 f | e2 dc cd z B | BA Bf d2 fd | ee dc BE FA | B2 f2 d3 f | e2 dc cd z B | BA Bf d2 fd | 
 ee dc B4 || cd dc d2 B2 | cd dc d2 z e | d2 cd e2 fe | ed cA B3 z | cd dc d2 B2 | cd dc d2 z e | 
 d2 cd a2 f2 | ed cA BE FA ||  