Create a musical piece with the provided alphabetic notation system and theme.
X:1
L:1/8
M:12/8
K:G
['DED G2', 'd2 B']  
X:1
L:1/8
M:12/8
K:G
 DED G2 D E2 D G3 | DED G2 B ABA E2 D | DED G2 D E2 D G2 d | BdB c2 B ABG E2 D :| 
 BAB d2 B AGE c2 c | BAB d2 B ABG E2 D | BAB d2 B AGE c2 c | ege d2 B ABG E2 D :|  