Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/4
Q:1/4=124
M:4/4
K:C
['[K:G]|: G G/G/', 'A A'  
X:1
L:1/4
Q:1/4=124
M:4/4
K:C
[K:G]|: G G/G/ G G | G G2 A | B2 A2 | D4 | A A/A/ A A | A A2 B | c3/2 c/ B A | G4 :| G4 :|  