Create a composition following the given musical structure and theme.
X:1
L:1/8
Q:1/4=70
M:4/4
K:G
['(GB) d2 (ec) d2 (G>A) B2 (c>B)', '(3(def) g>g (a>f g2) d>d g2 (f>e)'  
X:1
L:1/8
Q:1/4=70
M:4/4
K:G
"_vb" (GB) | d2 (ec) d2 (G>A) | B2 (c>B) (B<A) z G | G>A B>c (d<g) GA | (B>c) (BG) (A<G) (3(def) || 
 g>g (a>f g2) d>d | g2 (f>e) (e<d) z B | c>d e>f g2 G>A | B>c BG A<G |]  