Create a composition following the given musical structure and theme.
X:1
L:1/8
M:2/4
K:G
['BB B/c/A/B/ GGGD', 'G d Bd de/f/ gd d/e/d/c/ Bdd'  
X:1
L:1/8
M:2/4
K:G
 d/c/ | BB B/c/A/B/ | GGGD | GBdB | e/d/c/B/ Ad/c/ | BB B/c/A/B/ | GGGD | EcAF | G2 G :: d | 
 Bd de/f/ | gd d/e/d/c/ | Bdd c/B/ | A/G/A/B/ Ac | Bdd e/f/ | g/f/g/a/ gd | BG c/B/A/G/ | G2 G :|  