Compose a piece of music following the specified structure and theme.
X:1
L:1/8
M:2/4
K:G
['ed BA BG', 'Bd ef'  
X:1
L:1/8
M:2/4
K:G
 g/f/ | ed BA | BG ED | GG G/A/B/c/ | d2 Bg/f/ | ed BA | BG E>G | FA DE/F/ | G2 G :| G/A/ | Bd ef | 
 gd BG | Bd ef | g2 fg/f/ | ed BA | BG E>G | FA DE/F/ | G2 G :|  