Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:2/2
K:Amin
['cAeA cAeA', "A2 (ab) c'bag age^f gedc BGGb c'bag"]  
X:1
L:1/8
M:2/2
K:Amin
 (AB) | cAeA cAeA | BGGA BcdB | cAeA cAeA | dBGB A2 (AB) | cAeA cAeA | BGGA BcdB | cBAB cde^f | 
 gedB A2 || (ab) | c'bag age^f | gedc BGGb | c'bag aged | (3e^fg ab a2 (ab) | c'ba^f gbaf | 
 gedc BG G2 | ABcd ede^f | gedB A2 |]  