Develop a composition by incorporating elements from the given melodic structure.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:2/2
K:D
 dfaf gfeg | fdAG FGA=c | BG G2 EFGg | fdec dcBA | dfaf gfeg | fdAG FGA=c | BG G2 Efag |1 
 fgef dABc :|2 fgef defg |: a2 af dfaf | dfaf bagf | g2 ge =cege | =cege agfg | a2 af dfaf | 
 dfaf bagf | g2 gf gbag |1 fgef defg :|2 fgef dABc |]  