Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
M:3/4
K:A
['(e6 fg', 'd2 c3']  
X:1
L:1/8
M:3/4
K:A
|: AB |"A" c3 d e2 |"D" d3 c"E" B2 |"A" c4 A2 | A4 :|"D" f2 |"A" (e6 | e2)"D" fg af |"A" (e6 | 
 e2)"D" fg aA |"Bm" d3 e d2 | d4 d2 |"E" b4 g2 | e4"Edim7" d2 |"A" c3 B"D" d2 |"A" c3 d"E" B2 | 
"A" (A6 | A4) |]  