Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/8
M:2/4
K:G
['=fd ed']  
X:1
L:1/8
M:2/4
K:G
 =f2 f2 | =fd ed | =fd e d- | d=f e d- | d2 z d | =fd ed | =fd ed | =fg e | d- | d2 z2 | ge ge | 
 ge g g- | gg g g- | g2 z d | =fd ed | =fd ed | z =ff e- | e2 z e | g2 g3 .f3 .e3 | .g e3 | 
 z d2 d | cd c_B | G G3- | G4 |]  