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:1/8
M:2/4
K:D
|: AF AF/A/ | BG Bc/B/ | AB cd | ed c/d/c/B/ | AF AF/A/ | BG Bc/B/ | AB cd | ed d2 :: fd fg/f/ | 
 ec ef/e/ | dc Bc | BA FA | fd fg/f/ | ec ef/e/ | dc Bc | ed d2 :|  