Compose harmonic sequences within the established musical context.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
M:3/4
K:D
 (3dfa a4 | aggf f2 | (3def Tf4 | feed d2 | (3dfa Ta4 | (ce)g Tg4 | fagfed | A4 z2 :: A4 z |: 
 (3Ace Te4 | eddc c2 | (3ABc Tc4 | cBBA A2 | (3dfa Ta4 | aggf f2 | (3bag f2 Te2 | d4 :|  