Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/16
M:2/4
K:G
['B2>G2 A2GA', 'g4 d2 e4 d4']  
X:1
L:1/16
M:2/4
K:G
|:{A^A} B2>G2 A4 |{A^A} B2>G2 A2GA | d2 d4 (Bc | d6) (GA) |{^A} B2>G2 A2GA |{^A} B2>G2 A2 (EF) | 
 G2 G4 (EF) | G8 :: g6 dd | e4 d4 | dd d4 (Bc | d6) (ef) | g2 g4 d2 | e4 d4 | [BG][BG] [GB,]4 A2 | 
 [GB,]6 (3(def) | g2 g4 d2 | e4 d4 | dd d4 (Bc | d6) (ef | g2) g4 d2 | e4 d4 | [BG][BG] [GB,]4 A2 | 
 [GB,]8 :|  