Develop a musical composition using the outlined alphabetical depiction of the structure and the provided theme.
X:1
L:1/8
M:2/2
K:F
['c BAGF c2 BA Bcde f2 af', 'Aceg f3']  
X:1
L:1/8
M:2/2
K:F
 c | BAGF c2 BA | Bcde f2 af | gecA B2 AG | BbAa G3 :: B | Aceg f3 a | gecA B2 B2 | Aceg f3 d | 
 cBAG F3 :|  