Design a melodic composition using the outlined structure while keeping within the customary elements of the given genre.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/16
M:4/4
K:D
 z2 | A2 (3ABA F2A2 | d2Ad fedc | B2 (3BcB G2B2 | eBgf edcB | A2 (3ABA F2A2 | d2Ad fed2 | 
 e2 (3e^de g2c2 | e2d2 d2 :: g2 | fgab afgb | aAdf agf2 | efg2- g2e2 | def2 fAde | fgab afgb | 
 aAdf agf2 | e2 (3e^de g2c2 | e2d2 d2 :: d2 | dd'bg dBGB | dd'bg d2B2 | d=cA2- A2c2 | edcd B2d2 | 
 dd'bg dBGB | dd'bg d4 | def2 fga2 | a2g2 g2 :|  