It was aired by Gslaxy 92ZMHz yesterday.
https://m.youtube.com/watch?v=pkeDBwsIaZw
So nice.
It was decided with Vicky to include this song on the song extracts score book.
While the music was playing and attempt had been made to find or play the chords harmony on the Yamaha portable keyboard (on voice 20 ie strings).
The key is B flat Dorian,
ie
bB C bD dE F G bA bB
The main chord progression is bB to bE so by using the correct flats it turns out to be bB minor 3rd to bE major 3rd, typical progression of a Dorian scale. For example similar to the Vocalise part of the Great Gig in the Sky - Pink Floud which is a G minor 3rd minor 7th to C major 3rd major 9th chord progression in a repeating loop.
In some parts of the song where the right hand plays the bB minor 3rd chord, for example at the verse the bass is bD instead of bB creating the amazing sounding interval of 6th ie bass code D6. This can also be viewed as an invention of the bB minor 3rd chord ie playing bD F bB instead of bB bD F.
By listening to the melody, prepared 7ths with respect to bass can be identified with the 3rd then added.
Also on the brilliant riff D C E C A G (remember the flats) the C natural crates the brilliant sounding interval of major 9th with respect to the bass B flat.
See Bach Bass Rules - Bach, Niedt - PDF
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