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
['A2ce agfe dcBA GBE2 B2GB', 'ce2 f2df z df2']  
X:1
L:1/16
M:2/4
K:A
 A2ce agfe | dcBA GBE2 | B2GB aGB2 | z cBA GBE2 | A2ce agfe | dcBA GBE2 | B2GB z GB2 |1 
 A2c2A2 z2 :|2 A2c2A2 |: (A/B/c/d/) | e2ce z ce2 | f2df z df2 | e2ce z ce2 | B2GB z GB2 | 
 e2ce z ce2 | f2df z df2 | Aceg agae |1 fdBG A2 :|2 fdBG A2 z2 |]  