Compose harmonic sequences within the established musical context.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:4/4
K:A
 af | eA (3cBA eAfA | eA (3cBA Bcdf | eA (3cBA eaga | feBd cA A2 :| a2 ea caea | a2 ga bB B2 | 
 a2 ea caea | gdBd cA A2 | a2 ea caea | a2 ga bB B2 | g2 ga fedc | defg a2 af ||  