Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
M:4/4
K:G
['D>G B2 B2 B>c d>B c2 A2', 'B2 B2'  
X:1
L:1/8
M:4/4
K:G
 D>G | B2 B2 B>c d>B | c2 A2 A2 B>c | d>e d>B c>d c>A | B2 G2 G2 :: g>f | e2 d2 d2 G>A | 
 B2 B2 B2 g>f | e2 d2 c2 B2 | A>G F>E D2 D>G | B2 B2 B>c d>B | c2 A2 A2 B>c | d>e d>B c>d c>A | 
 B2 G2 G2 :|  