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@toni-sharpe
Last active December 13, 2024 20:28
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Keys using C as an example

Single Major Key

piano keyboard

       1  2  3  4  5  6  7  8  9  10 11 12 1^ 2^ 3^ 4^ 5^ 6^
       W  B  W  B  W  W  B  W  B  W  B  W  W  B  W  B  W  W
       C  C# D  D# E  F  F# G  G# A  A# B  C^ C#^D^ D#^E^ F^
       |     |     |  |     |     |     |  |     |     |  |
       |     |     |  |     |     |     |  |     |     |  |

Scale of C Major, with 1 - 7 (1st, 2nd, 5th, etc.) followed

by Key of CMaj, chords follow the scale

       |     |     |  |     |     |     |  |     |     |  |
       1     2     3  4     5     6     7  1^    2^    3^ 4^
       C     D     E  F     G     A     B  C     D     E  F
       |     |     |  |     |     |     |  |     |     |  |

CMaj I

       C     D     E  F     G     A     B  C     D     E  F
       1___________5________8     |     |  |     |     |  |
C E G  1     |     3  |     5     |     |  |     |     |  |
       1st--------3rd-----5th     |     |  |     |     |  |

DMin ii

       C     D     E  F     G     A     B  C     D     E  F
       |     1________4___________8     |  |     |     |  |
D F A  |     2     |  4     |     6     |  |     |     |  |
       |     1st-----3rd--------5th     |  |     |     |  |

EMin iii

       C     D     E  F     G     A     B  C     D     E  F
       |     |     1________4___________8  |     |     |  |
E G B  |     |     3  |     5     |     7  |     |     |  |
       |     |     1st- ----3rd-------5th  |     |     |  |

FMaj IV

       C     D     E  F     G     A     B  C     D     E  F
       |     |     |  1___________5________8     |     |  |
F A C  |     |     |  4     |     6     |  1^    |     |  |
       |     |     |  1st--------3rd-----5th     |     |  |

GMaj V

       C     D     E  F     G     A     B  C     D     E  F
       |     |     |  |     1___________5________8     |  |
G B D  |     |     |  |     5     |     7  |     2^    |  |
       |     |     |  |     1st--------3rd-----5th     |  |

AMin vi

       C     D     E  F     G     A     B  C     D     E  F
       |     |     |  |     |     1________4___________8  |
A C E  |     |     |  |     |     6     |  1^    |     3^ |
       |     |     |  |     |     1st-----3rd--------5th  |
       

BDim viiº

       C     D     E  F     G     A     B  C     D     E  F
       |     |     |  |     |     |     1________4________7
B D F  |     |     |  |     |     |     7  |     2^    |  4^
       |     |     |  |     |     |     1st-----3rd-----5th

All major and minor keys

------------------------------------------------------------------------------------------------------------
| CMj  ||| CMj      1 | DMn       2  | EMn        3 | FMj       4 | GMj      5 | Amn       6 | BMnD       7 | 
|      ||| C  E  G  I | D  F  A  ii  | E  G  B  iii | F  A  C  IV | G  B  D  V | A  C  E  vi | B  D  F  viiº|
  - - - - - - -  - - - - - - -  - - - - - - -  - - - - - -   - - - - - -  - - - - - -   - - - - - - - - - - 
| CMn  ||| CMn      1 | DMnD      2  | EbMj       3 | FMn       4 | GMj      5 | AbMj      6 | BbMj       7 |
|      ||| C  Eb G  i | D  F  Ab iiº | Eb G  Bb III | F  Ab C  iv | G  B  D  V | Ab C  Eb VI | Bb D  F  VII |
------------------------------------------------------------------------------------------------------------
| C#Mj ||| DbMj     1 | EbMn      2  | FMn        3 | GbMj      4 | AbMj     5 | BbMn      6 | CMnD       7 |
| Db   ||| Db F  Ab I | Eb Gb Bb ii  | F  Ab C  iii | Gb Bb Db IV | Ab C  Eb V | Bb Db F  vi | C  Eb Gb viiº|
  - - - - - - -  - - - - - - -  - - - - - - -  - - - - - -  - - - - - - -  - - - - - - - - - - - - - - - - - 
| C#Mn ||| Db Min   1 | EbMnD     2  | EMj        3 | GbMn      4 | AbMj     5 | AMj       6 | BMj        7 |
| Db   ||| Db E  Ab i | Eb Gb A  iiº | E  Ab B  III | Gb A  Db iv | Ab C  Eb V | A Db  E  VI | B  Eb Gb VII |
------------------------------------------------------------------------------------------------------------
| DMj  ||| DMj      1 | EMn       2  | GbMn       3 | GMj       4 | AMj      5 | BMn       6 | DbMnD      7 | 
|      ||| D  Gb A  I | E  G  B  ii  | Gb  A Db iii | G  B  D  IV | A  Db E  V | B  D  Gb vi | Db E  G  viiº|
  - - - - - - -  - - - - - - -  - - - - - - -  - - - - - -  - - - - - - -  - - - - - - - - - - - - - - - - - 
| DMn  ||| DMn      1 | EMnD      2  | FMj        3 | GMn       4 | AMj      5 | BbMj      6 | CMj        7 |
|      ||| D  F  A  i | E  G  Bb iiº | F  A  C  III | G  Bb D  iv | A  Db E  V | Bb D  F  VI | C  E  G  VII |
------------------------------------------------------------------------------------------------------------
| D#Mj ||| EbMj     1 | FMn       2  | GMn        3 | AbMj      4 | BbMj     5 | CMn       6 | DMnD       7 |
| Eb   ||| Eb G  Bb I | F  Ab C ii   | G  Bb D  iii | Ab  C Eb IV | Bb D  F  V | C  Eb G  vi | D  F  Ab viiº|
  - - - - - - -  - - - - - - -  - - - - - - -  - - - - - -  - - - - - - -  - - - - - - - - - - - - - - - - - 
| D#Mn ||| EbMn     1 | FMnD      2  | GbMj       3 | AbMn      4 | BMj      5 | BMj       6 | DbMj       7 |
| Eb   ||| Eb Gb Bb i | F  Ab B  iiº | Gb Bb Db III | Ab  B Eb iv | Bb D  F  V | B  Eb Gb VI | Db F  Ab VII |
-------------------------------------------------------------------------------------------------------------
| EMj  ||| EMj      1 | GbMn      2  | AbMn       3 | AMj       4 | BMj      5 | DbMn      6 | EbMnD      7 |
|      ||| E  Ab B  I | Gb A  Db ii  | Ab B  Eb iii | A  Db E  IV | B  Eb Gb V | Db E  Ab vi | Eb Gb A  viiº|
  - - - - - - -  - - - - - - -  - - - - - - -  - - - - - -  - - - - - - -  - - - - - - - - - - - - - - - - - 
| EMn  ||| EMn      1 | GbMnD     2  | GMj        3 | AMn       4 | BMj      5 | CMj       6 | DMj        7 |
|      ||| E  G  B  i | Gb A  C  iiº | G  B  D  III | A  C  E  iv | B  Eb Gb V | C  E  G  VI | D  Gb A  VII |
-------------------------------------------------------------------------------------------------------------
| FMj  ||| FMj      1 | GMn       2  | AMn        3 | BbMj      4 | CMj      5 | DMn       6 | EMnD       7 |
|      ||| F  A  C  I | G  Bb D  ii  | A  C  E  iii | Bb D  F  IV | C  E  G  V | D  F  A  vi | E  G  Bb viiº|
  - - - - - - -  - - - - - - -  - - - - - - -  - - - - - -  - - - - - - -  - - - - - - - - - - - - - - - - - 
| FMn  ||| FMn      1 | GMnD      2  | AbMj       3 | BbMn      4 | CMj      5 | DbMn      6 | EbMj       7 |
|      ||| F  Ab C  i | G  Bb Db iiº | Ab  C Eb III | Bb Db F  iv | C  E  G  V | Db F  Ab VI | Eb G  Bb VII |
-------------------------------------------------------------------------------------------------------------
| F#Mj ||| GbMj     1 | AbMn      2  | BbMn       3 | BMj       4 | DbMj     5 | EbMn      6 | FMnD       7 |
| Gb   ||| Gb Bb Db I | Ab B  Eb ii  | Bb Db F  iii | B  Eb Gb IV | Db  F Ab V | Eb Gb Bb vi | F  Ab B  viiº|
  - - - - - - -  - - - - - - -  - - - - - - -  - - - - - -  - - - - - - -  - - - - - - - - - - - - - - - - - 
| F#Mn ||| GbMn     1 | AbMnD     2  | AMj        3 | BMn       4 | DbMj     5 | DMj       6 | EMj        7 |
| Gb   ||| Gb A  Db i | Ab B  D  iiº | A  Db E  III | B  D  Gb iv | Db F  Ab V | D  Gb A  VI | E  Ab B  VII |
-------------------------------------------------------------------------------------------------------------
| GMj  ||| GMj      1 | AMn       2  | BMn        3 | CMj       4 | DMj      5 | EMn       6 | GbMnD      7 |
|      ||| G  B  D  I | A  C  E  ii  | B  D  Gb iii | C  E  G  IV | D  Gb A  V | E  G  B  vi | Gb A  C  viiº|
  - - - - - - -  - - - - - - -  - - - - - - -  - - - - - -  - - - - - - -  - - - - - - - - - - - - - - - - - 
| GMn  ||| GMn        | AMnD         | BbMj         | CMn         | DMj        | EbMj        | FMj          |
|      ||| G  Bb D  i | A  C  Eb iiº | Bb  D  F III | C  Eb G  iv | D  Gb A  V | Eb G  Bb VI | F  A  C  VII |
-------------------------------------------------------------------------------------------------------------
| G#Mj ||| AbMj     1 | BbMn      2  | CMn        3 | DbMj      4 | EbMj     5 | FMn       6 | GMnD       7 | 
| Ab   ||| Ab C  Eb I | Bb Db F  ii  | C  Eb G  iii | Db  F Ab IV | Eb G  Bb V | F  Ab C  vi | G  Bb Db viiº|
  - - - - - - -  - - - - - - -  - - - - - - -  - - - - - -  - - - - - - -  - - - - - - - - - - - - - - - - - 
| G#Mn ||| AbMn     1 | BbMnD     2  | BMj        3 | DbMn      4 | EbMj     5 | EMj       6 | GbMj       7 |
| Ab   ||| Ab B  Eb i | Bb Db E  iiº | B  Eb Gb III | Db  E Ab iv | Eb G  Bb V | E  Ab B  VI | Gb Bb Db VII |
-------------------------------------------------------------------------------------------------------------
| AMj  ||| A  Maj   1 | BMn       2  | DbMn       3 | DMj       4 | EMj      5 | GbMn      6 | AbMnD      7 |
|      ||| A  Db E  I | B  D  Gb ii  | Db  E Ab iii | D  Gb A  IV | E  Ab B  V | Gb A  Db vi | Ab B  D  viiº|
  - - - - - - -  - - - - - - -  - - - - - - -  - - - - - -  - - - - - - -  - - - - - - - - - - - - - - - - - 
| AMn  ||| Amn      1 | BMnD      2  | CMj        3 | DMn       4 | EMj      5 | FMj       6 | GMj        7 |
|      ||| A  C  E  i | B  D  F  iiº | C  E  G  III | D  F  A  iv | E  Ab B  V | F  A  C  VI | G  B  D  VII |
-------------------------------------------------------------------------------------------------------------
| A#Mj ||| BbMj     1 | CMn       2  | DMn        3 | EbMj      4 | FMj      5 | GMn       6 | AMnD       7 |
| Bb   ||| Bb D  F  I | C  Eb G  ii  | D  F  A  iii | Eb G  Bb IV | F  A  C  V | G Bb  D vi  | A  C  Eb viiº|
  - - - - - - -  - - - - - - -  - - - - - - -  - - - - - -  - - - - - - -  - - - - - - - - - - - - - - - - - 
| A#Mn ||| BbMn     1 | CMnD      2  | DbMj       3 | EbMn      4 | FMj      5 | GbMj      6 | AbMj       7 |
| Bb   ||| Bb Db  F i | C  Eb Gb iiº | Db  F Ab III | Eb Gb Bb iv | F  A  C  V | Gb Bb Db VI | Ab C  Eb VII |
-------------------------------------------------------------------------------------------------------------
| BMj  ||| BMj      1 | DbMn      2  | EbMn       3 | EMj       4 | GbMj     5 | AbMn      6 | BbMnD      7 |
|      ||| B  Eb Gb I | Db E  Ab ii  | Eb Gb Bb iii | E  Ab B  IV | Gb Bb Db V | Ab  B Eb vi | Bb Db E  viiº|
  - - - - - - -  - - - - - - -  - - - - - - -  - - - - - -  - - - - - - -  - - - - - - - - - - - - - - - - - 
| BMn  ||| BMn      1 | DbMnD     2  | DMj        3 | EMn       4 | GbMj     5 | GMj       6 | AMj        7 |
|      ||| B  D  Gb i | Db E  G  iiº | D  Gb A  III | E  G  B  iv | Gb Bb Db V | G  B  D  VI | A  Db E  VII |
-------------------------------------------------------------------------------------------------------------
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