Craft a composition that integrates the assigned alphabet-related musical pattern and the provided melodic theme.
X:1
L:1/16
M:2/4
K:A
['b2 e4 eb']  
X:1
L:1/16
M:2/4
K:A
 a2eaf2e2 | b2eabab2 | e2efe2ae | b2eabab2 | a2eabeba | b2 e4 eb | a4 f2e2 | e2efe2ae | b2eabab2 | 
 e2efe2ae | b2eabab2 | a2eabeba | b2 e4 eb | a4 f2e2 | aeaeb2eabab2aeaeb2eabab2ab e4 a2a2eabeba | 
 b2 e4 eb | a2>f2e2af | e8 |]  