Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
M:2/4
K:D
['DA FA Dd cd']  
X:1
L:1/8
M:2/4
K:D
 A |:"D" AF DA |"D" FA Dd |"A" cd ec |"D" d/c/d/e/ dA |"D" FA DA |"D" FA Dd |"A" cd ed/c/ |1 
"D" d3 A :|  