Develop a musical composition in line with the given structure and theme.
X:1
L:1/8
M:3/4
K:G
['GD B,3']  
X:1
L:1/8
M:3/4
K:G
 D2 | GD B,3 D | GD B,3 G | FG A2 G2 | FE D3 D | DA A3 D | GB B3 D | DcBABA | G2 F2 | G4 |]  