Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
M:2/4
K:A
['a/g/f/e/ ae c2 Ae/d/ c/d/e', 'cA eA']  
X:1
L:1/8
M:2/4
K:A
 g | a/g/f/e/ ae | c2 Ae/d/ | c/d/e Ae | cB Bg | a/g/f/e/ ae | c2 Ae/d/ | c/d/e Bd | cA A :| e/d/ | 
 cA eA | fA eA | cA eA | f/e/d/c/ Be/d/ | cA eA | fA eA | c/d/e Bd | cA A :|  