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:4/4
K:D
|: f2 af gfec | d2 dA BAFB | ABcd e2 ef |1 gfed e2 de :|2 gfec d2 B2 |: AF(3FFF DFFA | BAFB AFEF | 
 Ddde dBAF |1 BAFB AFEF :|2 BAFD ED D2 ||  