Compose music by following the designated structure and integrating the suggested musical idea.
X:1
L:1/4
M:3/4
K:D
['A F']  
X:1
L:1/4
M:3/4
K:D
|: A | A F F | A F E | D D3/2 D/ | D2 E/F/ | G G F | E F A | B B3/2 B/ | A2 F/E/ | D d d | 
 d3/2 e/ f | d A B | B3/2 c/ d | A F F | A F E | D D3/2 D/ | D2 :|  