Construct a piece of music by incorporating the given motif and adhering to the determined musical form.
X:1
L:1/8
Q:1/8=232
M:4/4
K:Gmin
['bg af']  
X:1
L:1/8
Q:1/8=232
M:4/4
K:Gmin
|: B2 GB DG BG | A2 Fc AF cA | B2 GB DG BF | AG ^FA G/G/G G2 | B2 GB DG BG | A2 Fc AF cA | 
 B2 GB DG BF | AG ^FA G/G/G G2 | dg ga bg af | cf fa bg af | dg ga bg af | ag ^fa g/g/g g2 | 
 dg ga bg af | cf fa bg af | de fg fd cB | AG ^FA G/G/G G2 :|  