Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
M:2/4
K:D
['f d2 c/d/', 'A2) A/B/c/d/ ce A d2 f A'  
X:1
L:1/8
M:2/4
K:D
 f d2 c/d/ | e A2 B/c/ | dBAG | FEFD | f d2 c/d/ | eAfd | cB/A/ BA/^G/ | (A2 A2) :: A/B/c/d/ ce | 
 A d2 f | A e2 g | fe/d/ cB/A/ | f d2 c/B/ | eABG | FdEc | d2 D2 :|  