The figured bass of Face to Face - Twins

Concentrating on the brilliant synth melody riff:


https://m.youtube.com/watch?v=vpHUcqe2v-w#fauxfullscreen


Melody is:

F E D
G F D E F
A G D
E F E C


Bass is respectively for each of the 4 measures:


D
Bb
B
C


The above left hand bass sounds best at the middle of the piano keyboard.


If lower register is used for the bass then G might be better played instead of B.


From the above it can be seen that the code or figured bass is:


D or its inversion A D F ie A46
B6
B7 or G9
C


So the left hand playing the full chord at the middle of the keyboard would be:


A D F
Bb D G
B D G
C E G


(Note the little left hand finger goes up a semitone each time. Principle of least change in music to produce most beautiful change).


Further reading:


https://normanschmidt.net/scores/bachjs-general_bass_rules.pdf