Compose a piece of music following the specified structure and theme.
X:1
L:1/8
Q:1/4=110
M:4/4
K:G
['B>AG>A Bc/B/', 'G>AG[DF] d2 dc B>BGA Bc/B/ cA BcBc'  
X:1
L:1/8
Q:1/4=110
M:4/4
K:G
 G2 GA B>AG>A | Bc/B/ c>A B>cB>A | G2 G>A B>AG>A | Bc/B/ c>A G>AG[DF] :: d2 dc B>BGA | 
 Bc/B/ cA BcBc | d(e/f/) g>d B>AG>A | B>BcA G>AG[DF] :|  