Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/16
M:2/4
K:Dmix
['de gfef']  
X:1
L:1/16
M:2/4
K:Dmix
|: de |"D" f2ef"Am7" gfef |"D" d2dc AGAB |"F" cBcd"Em" ecdB |"Am7" B2A2A2 de |"D" f2ef"Am7" gfef | 
"D" d2c2 AGAB |"F" cBcd"Am7" dcAG |"D" F2D2D2 :: GA |"G" B2AB"C" c2Bc |"D" A2AG FGAB | 
"F" cBcd"Em" ecdB |"Am7" B2A2A2 de |"D" f2ef"Am7" gfef |"D" d2dc AGAB |"F" cBcd"Am7" dcAG | 
"D" F2D2D2 :|  