Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
M:4/4
K:D
['BG- GA/G/ FGAB AFDF', 'gece dfed cA A/A/A BdGB ADFA'  
X:1
L:1/8
M:4/4
K:D
|: A,2 | D2 FD GECE | A,DFA BG- GA/G/ | FGAB AFDF | GFED CA, A,/A,/A, | DDFD GECE | 
 A,D F/G/A BG- GA/G/ | FGAB AFDF | GECE D2 :: FA | d2 fd gece | dfed cA A/A/A | BdGB ADFA | 
 dAFA GEEA | ddfd gece | dfed cA A/A/A | BdGB ADFA | GECE D2 :|  