Compose a piece of music that follows both the given musical theme and the letter-based structure provided.
X:1
L:1/8
M:6/8
K:G
['G2 A']  
X:1
L:1/8
M:6/8
K:G
|: GE |"G" D2 B BAG | BdB A2 B |"C" GED G2 A |"D" B2 B AGE |"G" D2 B BAG | BdB A2 B |"C" GED G2 A | 
"D" BGE"G" G :: Bd |"Em" e2 e edB | ege edB |"Bm7" d2 B def |"C" gfe dBA |"G" G2 A B2 d | 
"C" ege dBA |"G" GED G2 A |"D" BGE"G" G :|  