Create a musical piece with the provided alphabetic notation system and theme.
X:1
L:1/8
Q:1/4=160
M:2/4
K:A
['A2 A>c B2 B>d cedc', 'e>f ecBA f2 fg a2 g>f e2']  
X:1
L:1/8
Q:1/4=160
M:2/4
K:A
 A2 A>c | B2 B>d | cedc | dBAG | A2 A>c | B2 B>d | cedc |{c} B4 :: e2 e>f | ecBA | f2 fg | a2 g>f | 
 e2 e>f | ecea | edcB | A4 :|  