Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/4
M:4/4
K:C
['G G']  
X:1
L:1/4
M:4/4
K:C
 G G F F | E G G z | G B d2 | G c e2 | G G/G/F/>F/F/F/ | E G G z | G B d e | c2 z2 |]  