Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/8
M:2/2
K:D
['cB A2 AB cABc dcde']  
X:1
L:1/8
M:2/2
K:D
 fg |"D" a2 ab affg | a2 a2 affg | a2 a2 ab a2 | f6 de |"D" f2 fe dege | fefe d2 f2 | 
"G" gfed"A" cABc |"D" d6 :: cB |"A" A2 AB cABc |"D" dcde fdef |"G" g2 gf g2 a2 |"D" f6 cB | 
"A" A2 AB cABc |"D" dcde f2 ef |"G" gfed"A" cABc |"D" d6 :|  