Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:6/8
K:G
['d g3 Bcd dec B2 D DGG', 'D A3 ABc BDD Bcd']  
X:1
L:1/8
M:6/8
K:G
|: d | g3 Bcd | dec B2 D | DGG D3 | BAG A2 d | g3 Bcd | dec B2 D | DGG BcA | AGF G2 :: D | A3 ABc | 
 BDD Bcd | edc efg | dec B2 D | A3 ABc | BDD Bcd | dec BcA | AGF G2 :|  