Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
Q:1/8=105
M:6/8
K:C
['(3G/A/B/ cGc c2 d ece e2 f', 'c2 (e/f/) gag gec ded dBG ABc']  
X:1
L:1/8
Q:1/8=105
M:6/8
K:C
 (3G/A/B/ | cGc c2 d | ece e2 f | gec fdB | c2 c c2 :: (e/f/) | gag gec | ded dBG | ABc def | 
 ecc c2 :|  