Develop a musical composition in line with the given structure and theme.
X:1
L:1/4
Q:1/4=140
M:2/2
K:Gdor
['G G']  
X:1
L:1/4
Q:1/4=140
M:2/2
K:Gdor
 G G G G | B3 c/B/ | A F F F | F3 F | G G G A | B3 c | d d d d | d3 c | B B B B | B3 B | c c c c | 
 c3 c | d2 c B | A G A2 | =B G G G | G4 |]  