Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/16
M:2/4
K:G
['D2 G4 BcdB c2A2F2A2 G4 (BcdB) c4', 'g4 fgaf']  
X:1
L:1/16
M:2/4
K:G
 D2 | G4 BcdB | c2A2F2A2 | G4 (BcdB) | c4 e4 | g2d2 (BcdB) | e2c2 (ABcA) | B2G2 (FGAF) | 
 G4 [G,G]2 :: d2 | g4 fgaf | g2d2B2d2 | g4 fgaf | g4 b4 | a2f2 d2(ef) | g2d2 B2(cd) | B2G2D2F2 | 
 G4 [G,G]2 :|  