Develop an original musical piece that integrates the given alphabet sequence and motif.
X:1
L:1/8
M:4/4
K:Dmix
['', 'd2 cB A D D2 A,DFG ABcd', 'Adfa g2 ga gfed ^c/B/A eA fAeg']  
X:1
L:1/8
M:4/4
K:Dmix
 A/B/c |: d2 cB A D D2 | A,DFG ABcd | c G G2 EGcd | edcG EGce | d2 cB A D D2 | A,DFG ABcd | 
 c G G2 EGcd |1 edce dgfe :|2 edce defg |: f d d2 Adfg | afdB Adfa | g2 ga gfed | ^c/B/A eA fAeg | 
 fdde dBAG | F/E/D FG ABcd | c G G2 EGcd |1 edce defg :|2 edce dgfe ||  