Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/4
M:4/4
K:Emin
['B3 e']  
X:1
L:1/4
M:4/4
K:Emin
 e b b a | g f/ g/ e e | f g a b | g f/ g/ e B | e b b a | g f/ g/ e e | f a g e | f2 z2 | 
 e b b a | g f/ g/ e e | f g a b | g f/ g/ e B | e b b a | g f/ g/ e e | f a g e | f2 z2 | B3 e | 
 B3 e | B A G F | B3 e | B3 e | B A G F | G F/ G/ E/ F/ G/ A/ | B3 e | B3 e | B A G F | E2 E2 | 
 G F/ G/ E/ F/ G/ A/ | B3 e | B3 e | B A G F | E2 E2 ||  