Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
M:4/4
K:Ddor
['D2 AG EG G2', 'Adde f2 ed cAGE F3 G', '']  
X:1
L:1/8
M:4/4
K:Ddor
 D2 AG EG G2 | A2 GA cAGE | D2 AG EG G2 | AcGE EDCE | D2 AG EG G2 | A2 GE A2 GE | DAAG EDEG | 
 A2 GE ED D2 || (3EFC AB c2 BG | Adde f2 ed | cAGE F3 G | AcGE EDDF | (3EFG AB c EG | Adde f2 ed | 
 cAGE F3 G | (3ABc Bd cAGE || D8 ||  