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
Q:1/2=80
M:4/4
K:G
 a | a f g a | f3/2 e/ d a | a f g a | f3 :: f | e A d e | f3/2 e/ d f | e A d e | f3 f | e A d e | 
 f3/2 e/ d a | a f g a | f3 :|  