Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
M:2/4
K:G
['Bd dc/B/', 'Bd g>a g/f/e/d/'  
X:1
L:1/8
M:2/4
K:G
|: d/c/ | Bd dc/B/ | ce ed/c/ | Bd dc/B/ | cA Ad/c/ | Bd dc/B/ | ce ed/c/ | Bd Ac | BG G :: d/c/ | 
 Bd g>a | g/f/e/d/ gd | Bd gf/g/ | aA Ad/c/ | Bd g>a | g/f/e/d/ gd/c/ | Bd Ac | BG G :|  