Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/8
M:4/4
K:Bmin
['d>B B<B B>c d>c B>f f>e f2', 'f>B (3BBB']  
X:1
L:1/8
M:4/4
K:Bmin
|: f>e | d>B B<B B>c d>c | B>f f>e f2 e>d | c<A A<A A>B c>B | A>e e>c e<f e<f | d>B B<B B>c d>c | 
 B>f f>e f2 e>d | c<A A<A B<f e>f | d2 B2 B2 :: d>e | f>B (3BBB A>B (3BBB | f>B (3BBB f>e c>d | 
 e>A (3AAA a>A (3AAA | c<A c>d e>f d>e | f>B (3BBB A>B (3BBB | f>B (3BBB f2 e>d | c<A A<A B<f e>f | 
 d2 B2 B2 :|  