Create a musical piece with the provided alphabetic notation system and theme.
X:1
L:1/8
M:6/8
K:G
['G2 G GAB A2 A ABc Bcd', 'G2 bgb gab afd d3 gfg efg']  
X:1
L:1/8
M:6/8
K:G
 G2 G GAB | A2 A ABc | Bcd edc | BAG FED | e2 e efg | d2 d dec | BAG AGF | G3 G2 :| bgb gab | 
 afd d3 | gfg efg | fdB B3 | efe ede | gag gab | dcB AGF G3 G2 :|  