Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
M:4/4
K:Dmix
['dcAc de=fe dcAG E3 G', 'd2 fd adfe defg afge']  
X:1
L:1/8
M:4/4
K:Dmix
 dcAc de=fe | dcAG E3 G | cAGA c2 ed | cdeg afge | dcAc de=fe | dcAG E3 G | cG G2 cdeg | 
 agec Add^c :: d2 fd adfe | defg afge | cded cAGA | cG G2 cege | d2 fd adfe | defg afge | 
 cG G2 cdeg | agec Add^c :|  