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
['D2 (AG)', 'D2 (AG)', 'DEGA c2 (AG) Adde f2 (ed) cAGE', 'z DEGA c2 (AG) Adde f2 (ed)']  
X:1
L:1/8
M:2/2
K:D
 D2 (AG) EFGE | ABGE cAGE | D2 (AG) EFGB | ABGE CEGE || D2 (AG) EFGE | ABGE cAGE | D2 (AG) EFGB | 
 AcGE (TED) !fermata!D2 |] DEGA c2 (AG) | Adde f2 (ed) | cAGE FEFG | AFGE (TED) D z || 
 DEGA c2 (AG) | Adde f2 (ed) | cAGE FEFG | AddB cAGE |]  