My new chords algorithm

Branko this is your 1st post please do not include any more links to this web site

Thanks for your cooperation Branko j and the algorithms would be a welcome contribution that could benefit members who aspire on keyboards

It is just numbers from -6 to 6.
It is graphical system for keyboard.
Keyboard has white key: C, D, E, F, G, A, B
And 2+3 black keys.
First C, D, E has 0, 2, 4 number, and G, A, B has 1, 3, 5 number.
F is -1 and is starting point to negative numbers (black keys).
It is graphical easy to see some arrows.
Example: Song is in G major key.
G is number 1, and on music sheet it will have 1 #.
Most important chords in that song will be:
0 = C
1 = G
2 = D
You can see G in middle.
That are most important major keys in song. From that major keys is easy to found minor key: just move 3 keys (black or white) to left on keyboard.
Counting from C it will be Am (I use lower case 'a' writing system for minor chord).
Example2 (hardest):
Music sheet has 4 # in the begenning of sheets. It will be in 4 = E major key.
Counting 3, 4, 5 will be A, E, B major keys.
Counting from A, E, B (3 keys to left on keyboard) it will be Fm# (black), Cm# (black), Gm# (black) minor chords.
Most songs use this 6 most important keys (or less).
Sometimes songwriter transform minor to major (from that 6 main chords), or simetimes use chord from upper or lower numbers, but it is very rare case.
Using 7, sus or something else, are just a little modification of that.
It is best to use picture for understanding. And it is easy to memorize (it is logical).
Guitarists use circle form of this system, but it is hard for memorize.
My system is mathematical and graphical, and easy when someone understand it.

It was benefical for me.
When I seek chords from music sheet, I just use 'bass' notes, and than write chords (it is first approximation).
For example, if song has bbbb in sheet it is -4, than I write 3 major chord and 3 minor chords (that are lot of black keys from keyboard). Than I eliminate high changing chord, and found chords melody for that song.
Last step is writing in paralel 6 chords, but transpose it four octave. It will bi very close (with sounding), but it will become  -4 +4 = 0 ( 0 represent C ),  and song will be easy for play.
It is easy to transpose every song to different key: Just write 6 (or more) keys like this:
Example for song in Ab to C:
-5 Db   Bbm      ->      -1   F   Dm
-4 Ab   Fm        ->       0   C   Am
-3 Eb   Cm        ->       1   G   Em

Just Db become F, Bbm become Dm, and so on.

It is to complicate for my mind, and it need tables.
My child has 9 years, and she can transpose every song to another key (from her mind, and without complicate tables). It is easy to memorize that 2 black keys has 0,2,4 numbers (C,D,E), and 3 black keys has 1,3,5 numbers (G,A,B).
From F which is -1 go -3, -5 to 2 black keys.
Where are 3 black keys, from right to left go -2, -4, -6.

Because of her, I use my apostrophe system. It is easy to write 'A for Ab, or f ' for F#m.
It means just 'look to left from A white key' and 'look from F to right, and it is minor'.
This is just for her easy understanding.
But it help me too.

When she see four sharps (####) in music sheet, she know that it is song in E major, because she know that 4 is E major. She easy found main minor chord. Just place her finger on E, and count to left 3 keys. And her finger know that it is C#m (she write c').

I see lot of question about this staff on internet. This mathematical system is so easy.
I am not good musician (I am scientist). I just see beautiful mathematical harmony in music chords.

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