Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/8
M:2/2
K:D
['A FDAF BGAF E=cGc E=CCA FDAF BGAG', 'f/g/a da'  
X:1
L:1/8
M:2/2
K:D
 A | FDAF BGAF | E=cGc E=CCA | FDAF BGAG | FdAd FDD :: g | f/g/a da fdaf | e/=f/g =cg ecge |1 
 f/g/a da fdad | B/c/d Ad FDD :|2 afge fdec | dcdA FDD ||  