Create a musical piece with the provided alphabetic notation system and theme.
X:1
L:1/8
M:4/4
K:A
['A>ag>a eA']  
X:1
L:1/8
M:4/4
K:A
 A>ag>a eA | F>Ad>c BB | A>ag>a eA |1 F>AG>B cG :|2 F>AG>B ce fc || da gf | ee fa |1 
 (3gfe (3dcB (3Ace (3agf :|2 g>a (3bag a2 a2 ||  