Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/8
Q:1/2=80
M:4/4
K:G
['eAAc BA B2', 'e2 ef']  
X:1
L:1/8
Q:1/2=80
M:4/4
K:G
 eAAc BA B2 | eAAf gedB | eAAc BA B2 | dBGA BcdB :: e2 ef gefd | e2 ef gedB | e2 ef gage | 
 dBGA BcdB :|  