Develop a musical composition using the outlined alphabetical depiction of the structure and the provided theme.
X:1
L:1/8
Q:1/4=120
M:2/2
K:A
['A2 e4 (dc)', '(fg) (ag)(ag) (ae)(dc)']  
X:1
L:1/8
Q:1/4=120
M:2/2
K:A
"^Brisk" (cB) | A2 e4 (dc) | Bd f4 (ed) | ce a2 df a2 | ceac BdcB | A2 e4 (dc) | B2 f4 (ed) | 
 ceac Bfed | Tc2 BA A2 :: (fg) | (ag)(ag) (ae)(dc) | Tf2 e4 (fg) | (ag)(ag) (ae)(dc) | 
 Tc2 B4 (fg) | (ae)ce afdf | aece afed | ceac Bfed | Tc2 (BA) A2 :|  