Develop a musical composition in line with the given structure and theme.
X:1
L:1/8
M:2/2
K:G
['g2 dg Bg dg'  
X:1
L:1/8
M:2/2
K:G
|:"G" G2 BG dG BG |"D7" AB cd cB AG |"G" Bd gd eg dB |"C" cB AG"D7" FA DF |"G" G2 BG dG BG | 
"D7" AB cd cB AG |"G" Bd gd eg dB |"D7" cA FA"G" G4 ::"G" g2 dg Bg dg |"G" ga bg"D7" ag ef | 
"G" g2 dg Bg dg |"C" cB AG"D7" FA D2 |"G" g2 dg Bg dg |"G" ga bg"D7" ag ef |"C" gf ga"^(G)" gf ed | 
"C" eg"D7" fa"G" g4 :|  