Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
M:4/4
K:D
['dAFA defg a>(b a)g a2 Af g2', 'a>(b a)g a2 Af']  
X:1
L:1/8
M:4/4
K:D
 fe | dAFA defg | a>(b a)g a2 Af | g2 eg f2 df | edcB A(gfe) | dAFA defg | a>(b a)g a2 Af | 
 g2 eg f2 df | ed(fe) d2 || fg | a>(b a)g a2 Af | g>(a g)f g2 Ag | f2 fe fagf | edcB A(gfe) | 
 dAFA defg | a>(b a)g a2 Af | g2 eg f2 df | ed(fe) d2 ||  