Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
M:4/4
K:Bmin
['B2 B>F B>B d2', 'd2 d>f'  
X:1
L:1/8
M:4/4
K:Bmin
 B>A | B2 B>F B>B d2 | c>BA>c e/d/c/B/ A>c | B2 B>F B>B d2 | d>B c<A B2 :| B>c | d2 d>f d>df>d | 
 c>BA>c e/d/c/B/ A>c | d2 d>f d>d d2 | d>B c<A B2 B>c | d2 d>f d>df>d | c>BA>c e/d/c/B/ A>c | 
 d2 d>B A>ce>c | d>B c<A B2 ||  