Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:4/4
K:A
['F2 AF GFFE F2', 'f2 ec B2 AG']  
X:1
L:1/8
M:4/4
K:A
|: A2 ed cA (3AAA | GABc dfed | cAgA a3 g | fe (3eee fecA |1 F2 AF GFFE | F2 AB c2 BA | 
 FDdD c2 BA | FAde B2 AG :|2 F2 AF GFFE | F2 ED FEEA | D2 AD f2 ec | B2 AG A2 EC |: 
 A,2 EA, B,2 F2- | FEFA FE (3EEE | F2 AB c3 A | FEFd c2 BA | GAAG (3eee ce | Aeag feea |1 
 gaea f2 ec | B2 AG A2 EC :|2 d2 ef f2 ec | B2 AG A4 ||  