Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/4
M:4/4
K:C
['G G/G/']  
X:1
L:1/4
M:4/4
K:C
 G G/G/ A D | G G/G/ A2 | B A/A/ G F | E F G2 | G G/G/ (A D) | G G/G/ A2 | B A/A/ G/G/ F | E F G2 |]  