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
['d>cd<f B2', 'c>BA<B c2']  
X:1
L:1/8
M:4/4
K:D
|: (3efg | a>^ga>b a>=g (3gfe | d>cd<f B2 (3def | g>fg>a g>fe>d | c>^Bc>d e>A (3efg | 
 a2 (3^gab a>=gf>e | d>cd<f B2 e>f | g2 (3fga g2 (3fed | c>a (3ABc d2 ::[K:A] c>d | 
 e>A (3AGA E>A (3AGA | c>BA<B c2 (3ABc | d>ef>d c>de>c | B>A (3GAF E2 C>D | E>A (3AAA E>A (3AAA | 
 c>BA<B c2 a>g | f>e (3def e>dc>e | B>A (3GAB A2 :|  