Create a musical piece with the provided alphabetic notation system and theme.
X:1
L:1/8
M:6/8
K:D
['fed AFA', 'e2 a']  
X:1
L:1/8
M:6/8
K:D
 fed AFA | BGB AFA | fed AFA | B2 c d3 :: a | f2 a e2 a | ded cBA | ffa e2 a | ba^g a3 | bbb aaa | 
 ggg fed | fed AFA | B2 c2 d2 :|  