Compose music by following the designated structure and integrating the suggested musical idea.
X:1
L:1/8
M:2/4
K:D
['af/a/ ge/g/ fe/d/ cA', 'df eg fd cA'  
X:1
L:1/8
M:2/4
K:D
 af/a/ ge/g/ | fe/d/ cA | gf e2 | GF E2 | af/a/ ge/g/ | fe/d/ cA | Bc d2 | FE D2 :: df eg | fd cA | 
 gf e2 | GF E2 | df eg | fd cA | Bc d2 | FE D2 :|  