Build melodic lines that comply with the set musical framework.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:2/4
K:D
|: AF A>A | BG B>B | cA ce | d>e f/e/d/B/ | AF A>A | BG B>B | cA ce | df d2 :: Af f>e | ed dc/d/ | 
 Bg g>f | fe ec/B/ | Af f>e | ed dc/d/ | Bg B>c | ed d2 :|  