Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
M:2/4
K:G
['DB BD/E/ Dc cD/E/ Dd cF', 'FF ED BD G2', 'A/G/A/B/ cE G2'  
X:1
L:1/8
M:2/4
K:G
 D/E/ | DB BD/E/ | Dc cD/E/ | Dd cF | GB DD/E/ | DB BD/E/ | Dc cD/E/ | Dd cF | GG G :: D/D/ | 
 FF ED | BD G2 | cD Fc | BG DD/D/ | FF ED | BD G2 | cF AD | GG G ::[K:C] G/^F/ | GG A/G/A/B/ | 
 cE G2 | BD A>B | AG G2 | G/^F/G A/G/A/B/ | cE G2 | BG AB | ce c :|  