Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:6/8
K:Dmix
['', 'GEC CEG', 'afd ecG Gce g2 b bag f2']  
X:1
L:1/8
M:6/8
K:Dmix
 B |: A2 D AdA | BAG A2 B | AFD AdA | GEC CEG | ADD ccc | BdB AFD | GEC CEG |1 ccc BAG :|2 
 ccc Bdg |: f2 d d^cd | f2 a afd | ecG Gce | g2 b bag | f2 a ede | fcA Acd |1 ecA cdc | 
 BAG G2 g :|2 ecG AGE | GFD D2 ||  