Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/16
Q:1/4=120
M:2/4
K:A
['A2c2 e2a2']  
X:1
L:1/16
Q:1/4=120
M:2/4
K:A
 A2c2 e2a2 | g2b2 e4 | (fefg) (agfe) | (fedc) B4 | A2c2 e2a2 | g2a2 b4 | (agfe) B2^d2 | e4 E4 |:  