Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
M:4/4
K:D
['D>EDd AFAd D>E D/A/d/c/ B/A/G/F/ E2 D>EDd', 'ddd (d/e/) fdd(e/f/) (a/g/)f/e/ (g/f/)e/d/ cA/A/ eA/A/'  
X:1
L:1/8
M:4/4
K:D
 D>EDd AFAd | D>E D/A/d/c/ B/A/G/F/ E2 | D>EDd AFAg | fdef ddd || (d/e/) | 
 fdd(e/f/) (a/g/)f/e/ (g/f/)e/d/ | cA/A/ eA/A/ c>deg | fdd(e/f/) gfed | c>de>g (f/e/).d/.c/ d2 |]  