Craft a composition that integrates the assigned alphabet-related musical pattern and the provided melodic theme.
X:1
L:1/8
Q:1/2=60
M:2/2
K:F
['c (d>ef>a) gfec', 'AFFA BGGc']  
X:1
L:1/8
Q:1/2=60
M:2/2
K:F
|: c | (d>ef>a) gfec | defc f3 c | (d>ef>a) gfec | A/A/A Ac{e}"^NB" f3 :: c | AFFA BGGc | 
 AFFA defc | AFFA BGGc | AGAc{e}"^NB" f3 :|  