Develop a musical composition by integrating the alphabetically represented musical pattern and the supplied melodic theme.
X:1
L:1/8
M:6/8
K:A
['f2 A ABA', 'f2 A', 'fdd edd', 'Aaa Aee']  
X:1
L:1/8
M:6/8
K:A
|: f2 A ABA | g2 f ede | f2 A ABA | dfe dBA | f2 A ABA | g2 f efg | a2 a f2 e | dfe dBA :: 
 f2 A e2 A | f2 A ede | f2 A e2 A | dfe dBA | f2 A e2 A | f2 A efg | a2 a f2 e | dfe dBA :: 
 fdd edd | fdd edB | fdd edd | dfe dBA | fdd edd | fdd efg | a2 a f2 e | dfe dBA :: Aaa Aee | 
 Aaa efg | Aaa Aee | dfe dBA | Aaa Aee | Aaa efg | a2 a f2 e | dfe dBA :|  