Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:4/4
K:G
['DG G2 DGBd g2 gd egdB', 'BGAF G2']  
X:1
L:1/8
M:4/4
K:G
|: DG G2 DGBd | g2 gd egdB | A2 GB A2 BA | GBAF GFEF | DG G2 DGBd | g2 gd egdB | G2 (3Bcd gedc |1 
 BGAF G2 GE :|2 BGAF G2 AB |: dggf gGBd | g2 af gfed | eaag abag | e2 ag edBc | dggf gGBd | 
 g2 af gedB | GA (3Bcd gedc |1 BGAF G2 GB :|2 BGAF G2 GE ||  