Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/8
M:4/4
K:D
['(A D)AdA BAd(A F)Adf eEE(G F)AdA (BA)Bd', 'd f (af)ef (fg)ab (af)de (fe)ef (af)de']  
X:1
L:1/8
M:4/4
K:D
 (A | D)AdA BAd(A | F)Adf eEE(G | F)AdA (BA)Bd | (ag)ef d2 d :: f | (af)ef (fg)ab | (af)de | 
 (fe)ef | (af)de (fd)ec | (dB)AF D2 D :|  