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:2/2
K:D
 (3ABc | d2 dc d2 e2 | f4 e2 ef | gfed dcAG | A6 (3ABc | d2 dc d2 e2 | f4 edcA | c2 d2 f2 ed | 
 d6 |: (3ABc | d2 dc d2 e2 | !fermata!f4 e/f/g/e/ fd | dcAG F2 ED | D2 D4 DE | F2 G2 A2 (3Bcd | 
 f2 ed (dcB)A | F2 FD EDEF | D4O :|  