Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
M:6/8
K:C
['', 'B2 A BGD GBd', 'aga bge']  
X:1
L:1/8
M:6/8
K:C
[K:G] (1907:2:3.G3/4G3/4A3/4 |: B2 A BGD | GBd g3 | ded BGA | BAG AGA | B2 A BGD | GBd g2 g | 
 ded BGA |1 BGG G2 A ||2 BGG G2 B |: d2 g gfg | e2 a aga | bge dBG | BAG AB^c | d2 g gfg | 
 e2 a aga | bge dBA |1 BGF G2 B :|2 BGG G3 ||  