Compose harmonic sequences within the established musical context.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
Q:1/2=90
M:2/2
K:Bb
 (BA) | B2 (FE) DBFB | GABc BAGF | GABc dBfB | bBfB BAGF | BGFE DBFB | GBFB EBDB | DFBd EGce | 
 dBcA B2 :: ga | bfdB bfdB | fdcd BAGF | ecec dBdB | A2 F2 F2 (B_A) | GBEB edcB | AFAc fedc | 
 Bbab fdBf | d2 B2 B2 :|  