Design a piece of music by fusing the provided alphabetic indicator and the predetermined tune.
X:1
L:1/8
M:2/2
K:Dmix
['D2 AG ABcA']  
X:1
L:1/8
M:2/2
K:Dmix
"D" D2 AG ABcA |"C" GE E2 cEGE |"D" D2 AG ABcA |1"G" (3B^cd AG"D" FDEF :|2"G" (3B^cd AG"D" FDDA |: 
"D" dfed"A" ^cAA=c |"G" BGGB"A" ^cA A2 |"D" dfed"A" ^cA A2 |1"G" (3B^cd AG"D" FDDA :|2 
"G" (3B^cd AG"D" FD"A"EF |]  