Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/16
M:2/4
K:C
['G2e2 (cd)cB A2f2 (de)dc', 'e2ge c2de fefg a2f2 d2fd B2dB']  
X:1
L:1/16
M:2/4
K:C
|: G2e2 (cd)cB | A2f2 (de)dc | B2d2 (Bc)BA | G2g2 (eg)ec | G2e2 (cd)cB | A2f2 (de)dc | B2dB G2AB | 
 cdcB c4 :: e2ge c2de | fefg a2f2 | d2fd B2dB | c2a2 g4 | e2ge c2de | fefg a2f2 | d2fd B2dB | 
 cdcB c4 :|  