Construct melodic lines keeping the provided musical organization in mind.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/4
Q:1/4=80
M:3/4
K:D
 A | d3/2 e/ f/g/ | f e d | c3/2 d/ e/f/ | e c A | d3/2 e/ f/g/ | f e d | f a a | a2 :: f | g a b | 
 a2 g | f e d | a2 f | g3/2 f/ g | e a a | f d d | d2 :|  