Develop a musical composition in line with the given structure and theme.
X:1
L:1/8
M:3/4
K:G
['dB/d/ cA/c/ B2', 'B3 d Ac Bb ag fg'  
X:1
L:1/8
M:3/4
K:G
 !>![G,DBg]2 !>!b2 !>!g2 | dB/d/ cA/c/ B2 | gg bb gg | dB/d/ cA/c/ B2 | BG DG Bd | 
 dc/B/ !>!B2 !>!c2 | cA DF Ac | cB/A/ A2 B2 :: B3 d Ac | Bb ag fg | B3 d Ac | Bb ag fg | 
 !>!e2 gf/e/ d2 | !>!c2 ed/c/ B2 | Ac B2 Ad | DE/D/ G2 G,2 :|  