Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/8
Q:1/2=80
M:2/2
K:A
['(3(efg) aece Acea fdBc A2 Bc', 'ceAe dfBf dfBf']  
X:1
L:1/8
Q:1/2=80
M:2/2
K:A
 (3(efg) | aece Acea | fdBc A2 Bc | defe dcBA | [GABF]G E2 (3(efg) | aece Acea | fdBc A2 Bc | 
 dfed cBAG | B2 A2 A2 :: ed | ceAe ceAe | dfBf dfBf | ceAe ceAe | GBEB GBEB | ceAe"^NB" ceAe | 
 dfBf dfBf | eagf edcB | A2 c2 A2 :|  