Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:4/4
K:Bmin
['f<B BA', 'B<b B>b a<a B>f f>e']  
X:1
L:1/8
M:4/4
K:Bmin
 f<B BA F<B BA | f<B BA f<b (3afe | f<B BA F<B Bd | c<A ce a2 (3afe | f<B BA F<B BA | 
 f<B BA f<b (3afe | f<b f<a f<e c<e | f<B BA B4 || B<b B>b a<a B>f | f>e f>^g a>f e<c | 
 B<b B>b a<a B>f | f>e f<^g a2 a<f | B<b B>b a<a B>f | f>e f>^g a>f e<c | f<B BA F<E FA | 
 (3Bcd c>A B4 ||  