Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/4
M:2/2
K:Gmin
['G A', 'G A']  
X:1
L:1/4
M:2/2
K:Gmin
 A A d2 | ^F3/2 G/ A c | B G G A | B c/B/ A G | A A d2 | ^F3/2 G/ A c | B G G A | B c/B/ A G |: 
 A A f2 | =e f g f/e/ | d d g a | b c'/b/ a g | [cf] [cf] [Af]2 | ^F3/2 G/ A3/2 c/ | B G G A | 
 B c/B/ A G :|  