Develop a musical piece using the given motif and adhere to the outlined musical structure.
X:1
L:1/4
Q:1/2=100
M:2/2
K:Dmin
['f e d', 'G F'  
X:1
L:1/4
Q:1/2=100
M:2/2
K:Dmin
|: a | f e d ^c | d/e/ f2 a | g f e d | ^c/d/ e2 a | A2 B A | G2 A G | F G/A/ G F | E A, A, :: c | 
{B} A2 G F | A/B/ c2 f | c A G F | E/F/ G2 A | B A g e | ^c d G B | A G F E | D3 :|  