Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
M:4/4
K:G
['g BGdB cAec BGdB de/f/ gd BGdB', 'd f g/f/e/d/ gd cAef gdgf e2'  
X:1
L:1/8
M:4/4
K:G
|: g | BGdB cAec | BGdB de/f/ gd | BGdB cAeA | BG G/G/G e2 d :: f | g/f/e/d/ gd cAef | 
 gdgf e2 de/f/ | gdeB cAdc |1 BG G/G/G e2 d :|2 BGGg egdg ||  