Design a melodic composition using the outlined structure while keeping within the customary elements of the given genre.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/4
M:2/2
K:D
 f/g/ | a f d f | e2 A2 | F A A f | e2 e f/g/ | a f d f | e2 A2 | F A A f | d2 d || c/d/ | 
 e/d/c/B/ A e | f c d B | f/g/ a b ^g | a3 e/f/ | g/f/e/d/ c a | B g A f | e d e c | d2 d ||  