Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
Q:1/8=160
M:4/4
K:Amin
['A>GA>B e2', 'b2 ag']  
X:1
L:1/8
Q:1/8=160
M:4/4
K:Amin
 E | A>GA>B e2 dB | e>dB>A GA/G/ E2 | A>GA>B e2 d>B | e>dB>A A3 :| e/f/ | g>ega b2 ag | 
 egdB/A/ GA/G/ E2 | g>ega b2 ag | e>d e2 ab a2 | gega b2 ag | egdB/A/ GA/G/ E2 | A>GA>B e2 dB | 
 e>dBA A3 :|  