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:Emin
['B,EED EFGA B2 eB', 'Beee fBeB dBAF']  
X:1
L:1/8
M:4/4
K:Emin
|: B,EED EFGA | B2 eB dBAc | BEED EGFE | D B,3 DFED | B,EED EFGA | B2 eB dBAF | GEFE DB,B,A |1 
 BFAF E2 ED :|2 BFAF E3 c |: Beee fBeB | dBAF BFAF | Beee fBeB | dBAF FEFA | Beee fBeB | 
 dBAF BFAF | G2 GF EB,B,A |1 BFAF E3 c :|2 BFAF E2 ED ||  