Create a composition based on the provided motif, following the specified musical form.
X:1
L:1/8
M:2/2
K:Gmin
['b2 ag', 'B2 AG G2'  
X:1
L:1/8
M:2/2
K:Gmin
 d2 g2 gfga | b2 ag g2 fg | b2 ag f2 dc | cd fg b3 a | g2 gf d2 cB | Bcde f2 ag | fdcB A2 GF | 
 G2 g2 g4 :: D2 G2 GFGA | B2 AG G2 FG | Bcde fd g2 | g6 d2 | B2 AG G2 AB | cAGF F2 fe | fdcA GFDF | 
 G2 A2 G4 :|  