Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/8
Q:1/4=100
M:2/4
K:D
['Addd e/d/c/d/', 'A3 e cAAe cAAd cegf f3 (e/d/)', 'f/a/f/d/ c/e/c/A/ f/a/f/d/'  
X:1
L:1/8
Q:1/4=100
M:2/4
K:D
 A | Addd | e/d/c/d/ ea | fdBe | ee/d/ cA | Addd | e/d/c/d/ ed | cAB^G | A3 :: e | cAAe | cAAd | 
 cegf | f3 (e/d/) | dAAd | cegd | cdec | d3 A | Addf | Tf2 ed | ceeg | g2 fe | fe/d/ cd | 
 ed/c/ BA/G/ | FdEc | d D2 ::"^Variations" a/g/ | f/a/f/d/ c/e/c/A/ | f/a/f/d/ c/e/c/A/ | 
 f/a/f/d/ c/A/B/c/ | d2 dd :|  