Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:4/4
K:Bmin
['B>c de f2 e>d cA AB cA', 'f2 e>d cA AB cA'  
X:1
L:1/8
M:4/4
K:Bmin
 B>B Bc A>A Ac | B>c de f2 e>d | cA AB cA e>d | c>d ed c2 Bc | d>d de c2 BA | B>c de f2 e>d | 
 cA AB cA ec | a>f ec B3 :| d3 f e2 dc | d>e fg f2 e>d | cA AB cA e>d | c>d ed c2 B>c | 
 d2 de c2 BA | B>c de f2 e>d | cA AB cA ec | a>f ec B3 :|  