Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/8
M:4/4
K:D
['D2 F>A', 'd2 f<d a>g f<d'  
X:1
L:1/8
M:4/4
K:D
 F | D2 F>A d>A F<D | G>B F>A G<E E>F | D2 F>A d/c/B/A/ F>A | Bc/d/ (3efg f<d d :| a | 
 d2 f<d a>g f<d | g>e g/f/e/d/ c<e e>f | d2 f<d a>g f<d | Bc/d/ (3efg f<d d>A | d2 f<d a>g f<d | 
 g>e g/f/e/d/ c<e ed/c/ | (3def (3efg (3fga (3gab | (3agf (3gfe d2 d ||  