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:G
['AB cBAG', 'B2 AG']  
X:1
L:1/8
M:2/2
K:G
 BA | (GF)(ED) G2 AB | cBAG B2 AG | AGAB A2 AB | cBAG E2 EF | GFED G2 AB | cBAG B2 GE | 
 D>ED>E G2 Ac | B2 AG G2 :: Bc | d2 dd d2 df | eddc B2 AG | AGAB A2 AB | cBAG E2 Bc |1 
 d2 dd d2 df | eddc B2 AG | D>ED>E G2 Ac | B2 AG G2 :|2 d2 dd dgfe | dcBc BdGE | D>ED>E G2 Ac | 
 B2 AG G2 ||  