Craft a composition that integrates the assigned alphabet-related musical pattern and the provided melodic theme.
X:1
L:1/8
M:4/4
K:Bmin
['f2 ed']  
X:1
L:1/8
M:4/4
K:Bmin
 F2 | B2 B2 B2 AF | d2 d2 e2 de | f2 ed BA F2 | A6 FA | B2 B2 B2 (3ABc | d2 d2 e2 de | 
 f2 ed B2 A2 | B6 fg | a2 f2 f2 ed | e2 e2 fede | f2 ed BA F2 | A6 FA | B2 B2 B2 (3ABc | 
 d2 d2 e2 de | f2 ed B2 BA | B6 fg | a2 ag f2 ed | e2 e2 fede | f2 ed BA F2 | B6 fg | abag f2 ed | 
 e2 e2 fede | f2 ed BA F2 | A6 (3FGA | B2 Bd B2 AB | dcdf e2 de | f2 ed B2 B2 | B6 ||  