Develop a musical composition in line with the given structure and theme.
X:1
L:1/8
M:3/4
K:G
['d2 e2 d2 c2 BA BG A2', 'G2 A2 B2 c2 BA BG'  
X:1
L:1/8
M:3/4
K:G
 d2 e2 d2 | c2 BA BG | A2 D4 | d2 ed cB | AG FG AF | G2 G4 :: G2 A2 B2 | c2 BA BG | A2 D4 | 
 G2 A2 B2 | c2 BA BG | F2 G4 :|  