Compose harmonic sequences within the established musical context.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:4/4
K:D
|: a2- ag f2 ef | g2 f2 e4 | f2 d2 dcdf | edcB A2 fg | a2- ag f2 ef | g2 f2 e4 | f2 a2 gfec | 
 d4 d4 :: Adfd Acec | Adfd Acec | d2 a2 g2 f2 | edef e2 [Ae]2 | Adfd Acec | Adfd Acec | 
 d2 a2 gfec | d4 d4 :|  