Craft a composition that integrates the assigned alphabet-related musical pattern and the provided melodic theme.
X:1
L:1/8
Q:3/8=120
M:6/8
K:A
['ABc c2 B', 'e2 c e2']  
X:1
L:1/8
Q:3/8=120
M:6/8
K:A
 A2 e e2 f | e3 c3 | ABc c2 B | ABc c2 B | A2 e e2 f | e3 c3 | ABc c2 B | A3 A3 :: d2 e fef | 
 d2 e fef | d2 e f2 g | a3 agf | e2 c e2 c | e2 c e2 f | edc B2 c | A3 A3 :|  