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
['(3(FGA) d>f', 'ecAG (3(FGA) d>f', 'd2 (d>e) f2 ff f2 ec dfec', 'ABde f2 ff fgfe dfec d2 (Ac)']  
X:1
L:1/8
M:2/2
K:D
 (AG) | (3(FGA) d>f ecAG | (3(FGA) d>f gecA | (3(FGA) d>B cdec | dcdf ecAG || (3(FGA) d>f ecAG | 
 (3(FGA) d>f gecA | (3(FGA) d>B cdec | d>f (3(edc) d2 :: (d>e) | f2 ff f2 ec | dfec d2 (Ac) | 
 BABc dcdf | edcB ABde || f2 ff fgfe | dfec d2 (Ac) | (3(Bcd) gf edce | d>f (3(edc) d2 :|  