Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/4
M:2/2
K:Gmin
['B G d A B A/G/ ^F', 'd g']  
X:1
L:1/4
M:2/2
K:Gmin
|: B G d A | B A/G/ ^F A | G B A c | B d g2 :: g3/2 a/ b a | b a/g/ ^f d | g d e d | c2 B2 | 
 B d B d | e c =e g | ^f a d g | g3/2 ^f/ g2 :|  