Compose harmonic sequences within the established musical context.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
M:2/4
K:A
 E2 |: A>B cB | AF FE | CE FE | CE FE | A>B cB | AF FE | CE FE |1 A2 AE :|2 A2 A2 |: ag/a/ ga | 
 ba af | ec cB | AB ce | ag/a/ ga | ba af | ec cB |1 A2 Ae :|2 A z ||  