Build melodic lines that comply with the set musical framework.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:2/4
K:D
|: DF/A/ df | ed B2 | Ad/A/ FA | BA FE | DF/A/ df | ed Bd | A/d/A/F/ GE |1 D2 DE :|2 D2 D2 |: 
 fa/f/ ed | B/c/d A2 | f>e df | e2 e2 | fa/f/ ed | B/c/d A>G | FA GE |1 D2 D2 :|2 D2 DE ||  