Develop a piece of music by incorporating the provided motif and following the outlined musical structure represented by alphabet characters.
X:1
L:1/8
M:2/2
K:D
['a2 ge a2']  
X:1
L:1/8
M:2/2
K:D
|:"D" dc AF"G" G2 FG |"D" Ad (3ddd"A7" fage |"D" dcAF"G" GDFG |"A" AFGE"D" FDDA | 
"D" dc AF"G" G2 FG |"D" Ad (3ddd"A7" fage |"D" dcAF"G" GDFG |"A" AFGE"D" FD D2 ::"D" fdfa"G" gfed | 
"Em" (3Bcd ef"A7" g2 fe |"D" defg"A" a2 ge |"A" a2 ge"D" fdda |"D" fdfa"G" gfed | 
"Em" (3Bcd ef"A7" g2 fe |"A" a2 ge a2 ge |1"A" a2 ge"D" fd d2 :|2"A" a2 ge"D" fd"A"ec |]  