Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
Q:1/4=75
M:6/8
K:G
['G2 G']  
X:1
L:1/8
Q:1/4=75
M:6/8
K:G
|: G2 G G2 G | G2 G D2 D | G2 G G2 G | G2 G D3 :|  