Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/16
M:3/4
K:G
['G,2BG, G,2gG, G,2bG, b2g2 fgaf g4 G,2B2', 'gbgd gbgd']  
X:1
L:1/16
M:3/4
K:G
|: G,2BG, G,2gG, G,2bG, | b2g2 fgaf g4 | G,2B2 ABcA B2G2 | [G,GB]4 A2cA B4 | gafa f2af g2d2 | 
 g2a2 f2af g4 | d2Bd c2Ac B2GB | AcAF G4 G,4 :: gbgd gbgd gbgd | fafd fafd fafd | g2>d2B2>G2B2>d2 | 
 A2>F2D2>F2A2>c2 | g2>d2B2>G2B2>d2 | A2>F2D2>F2A2>c2 | g2f2g2a2b2a2 | g2gf a2af d4 | 
 gafa f2af g2d2 | g2a2 f2af g4 | d2Bd c2Ac B2GB | AcAF G4 G,4 :|  