Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
M:2/2
K:Gdor
['DG G2', 'fd d2']  
X:1
L:1/8
M:2/2
K:Gdor
 DG G2 FGAF | DG G2 F2 DC | DG G2 FGAc |1 dcfd cAGF :|2 dcfd c2 de || fd d2 fdcd | fd d2 g2 ag | 
 fd d2 fdcf | defd c2 de | fd d2 fdcd | fd d2 g2 fg | afge fdcf | defd cAGF ||  