Compose melodies keeping in mind the specified musical arrangement.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:2/4
K:D
 a | fafa | a/g/f/g/ e2 | ceAc | dfag | fafa | a/g/f/g/ e2 | ceAc | d2 z :: f | ageg | gfdf | 
 egce | d2 fa | ageg | gfdf | egce | d2 z :|  