Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/8
M:4/4
K:D
['(A/G/) FA A(f/g/) afed gfed BdBA FAAf', '(fa).a.b (ab).a.f'  
X:1
L:1/8
M:4/4
K:D
 (A/G/) | FA A(f/g/) afed | gfed BdBA | FAAf afed | egfa e2 d :| A | (FA)AB (AB)AF | 
 G/G/G G2 GABG | (FA)(AB) (AB)(AF) | GAFd E2 (Da) | (fa).a.b (ab).a.f | g/g/g g2 gabg | 
 (fa).a.b (ab).a.f | gafg e2 d |]  