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
 DE |"D" F2 FG FEDE |"D" FAAB"A" AFED |"G" d2 (3e/f/g/"D" fdec |"D" dBAF"A7" BE E2 | 
"D" F2 FG FEDE |"D" FAAB"A" AFED |"D" d2 (3e/f/g/"A7" fdec |"G" dBAG"D" FD :| FA |"D" d2 AG FDFA | 
 dfaf"A7" gfeg |"D" fAdf"A" eAce |"G" dfed"A" cA A2 |"Em" BEGB"D" ADFA | d2 ef"A7" gfed | 
"G" (3B/c/d/"A" ce"D" dBAG |"A7" FGEF"D" D2 :|  