Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
M:6/8
K:G
['G2 G BAG FGA cBc', 'g fgf ded cBc A2 g f2']  
X:1
L:1/8
M:6/8
K:G
 G2 G BAG | FGA cBc | d2 B c2 A | B2 G AFD | G2 G BAG | FGA cBc | dge f2 d |1 cAA d3 :|2 
 cAA d2 g || f2 d cAA | cde a2 g | fgf ded | cBc A2 g | f2 d cAA | cde a2 g |1 fed cAF | 
 GAG G2 g :|2 fef d2 A | ABG FGA ||  