music rule

• Change Key

  Change the key signature - Keep same pitches
  • C♭ Major - A♭ Minor
  • G♭ Major - E♭ Minor
  • D♭ Major - B♭ Minor
  • A♭ Major - F Minor
  • E♭ Major - C Minor
  • B♭ Major - G Minor
  • F Major - D Minor
  • C Major - A Minor
  • G Major - E Minor
  • D Major - B Minor
  • A Major - F♯ Minor
  • E Major - C♯ Minor
  • B Major - G♯ Minor
  • F♯ Major - D♯ Minor
  • C♯ Major - A♯ Minor

• Change Top Note

  Send the note you wish to see on the top of the rotating circles
  
  This will change only the perspective view.
  • Previous Half (Left)
  • Next Half (Right)

• Step Transpose

  Transpose to a key with minimum changes or send all notes simultaneously to one semitone higher or lower
  
  Accidentals result scales that differs from the major scale and its modes. Here you can see where to transpose by keeping any accidentals. If you wish to see that procedure with no accidentals, select first one mode of the major scale from the menu [Change Cycle] or press [ctrl]+[F5]. When you refresh the page the C major scale is always appears.
  
  Mousehover on the list below to see more information about the choices you have.
  • Clossest Key

    Side Keys in the circle of fifths make scales with only one different pitch.
    
    However if the current scale is built with one ore more permanent accidentals it is possible to exist more than two scales with only one different pitch.
    
    Consequently the clossest scale can have a different tonal, a different mode, or both.
    • One P5 Up
    • One P5 Down
  • Clossest Tonic

    When you play music with other musicians, it is often necessary to change the key by keeping the same Mode. This is important especially when the singer cannot reach the notes.
    
    Here you can see how to tune all pitches one semitone Up, or Down
    • One Semitone Up
    • One Semitone Down

• Change cycle

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  • Common Scales
    • Major
      • Ionian

        Major Mode I
        -T-T-S-T-T-T-S-
      • Dorian

        Major Mode II
        -T-S-T-T-T-S-T-
      • Phrygian

        Major Mode III
        -S-T-T-T-S-T-T-
      • Lydian

        Major Mode IV
        -T-T-T-S-T-T-S-
      • Mixolydian

        Major Mode V
        -T-T-S-T-T-S-T-
      • Aeolian

        Major Mode VI
        Minor Mode I
        
        Building:
        -T-S-T-T-S-T-T-
        
        Alternate Names:
        - Minor
        - Natural Minor
        
        Help
      • Locrian

        Major Mode VII
        -S-T-T-S-T-T-T-
    • Harmonic Minor
      • ?
      • ?
      • ?
      • ?
      • ?
      • ?
      • ?
    • Melodic Minor
      • ?
      • ?
      • ?
      • ?
      • ?
      • ?
      • ?
    • Pentatonic
      • ?
      • ?
      • ?
      • ?
      • ?
  • Common Arpeggios
  • All Possible Cycles
    • Monotonic
    • Ditonic
    • Tritonic
    • Tetratonic
    • Pentatonic
    • Hexatonic
    • Heptatonic
    • Octatonic
    • Nonatonic
    • Decatonic
    • Undecatonic
    • Dodecatonic

• Change Tonic

  Change the tonal center
  
  This keeps the same Mode, but changes the key signature to the one that -normally- used for that tonal center on the current Mode
  
  In some cases you can find here tonal centers with double flats or double sharps. The reason for this is that the scale you have already chosen has built from a key with accidentals on notes who have already sharps or flats on the current key signature
  • C
    • Double Flat
    • Flat
    • Natural
    • Sharp
    • Double Sharp
  • D
    • Double Flat
    • Flat
    • Natural
    • Sharp
    • Double Sharp
  • E
    • Double Flat
    • Flat
    • Natural
    • Sharp
    • Double Sharp
  • F
    • Double Flat
    • Flat
    • Natural
    • Sharp
    • Double Sharp
  • G
    • Double Flat
    • Flat
    • Natural
    • Sharp
    • Double Sharp
  • A
    • Double Flat
    • Flat
    • Natural
    • Sharp
    • Double Sharp
  • B
    • Double Flat
    • Flat
    • Natural
    • Sharp
    • Double Sharp

• Check intervals

  1. First is needed to set up the note you wish to have as Root note
  
  1a) Move the internal board of the line of fifths
  
  1b) Slide the spiral board on the circle of fifths
  
  1c) Rotate the internal cycle of the circle of halfs.
  
  2. Check the chords you can build.
  
  3. If you have already chosen an arpeggio, here you can check where its name comes from.
  • Line of fifths
    • Root on next (Right)
    • Root on Previus (Left)
  • Circle of halfs
    • Root on next (Right)
    • Root on Previus (Left)
  • Circle of fifths
    • Root on next (Right)
    • Root on Previus (Left)

• Customize the cycle
  • Move Note
    • C
      • Sharpen (Right)
      • Flatten (Left)
    • D
      • Sharpen (Right)
      • Flatten (Left)
    • E
      • Sharpen (Right)
      • Flatten (Left)
    • F
      • Sharpen (Right)
      • Flatten (Left)
    • G
      • Sharpen (Right)
      • Flatten (Left)
    • A
      • Sharpen (Right)
      • Flatten (Left)
    • B
      • Sharpen (Right)
      • Flatten (Left)
  • Add Note
    • C
      • Double Flat
      • Flat
      • Natural
      • Sharp
      • Double Sharp
    • D
      • Double Flat
      • Flat
      • Natural
      • Sharp
      • Double Sharp
    • E
      • Double Flat
      • Flat
      • Natural
      • Sharp
      • Double Sharp
    • F
      • Double Flat
      • Flat
      • Natural
      • Sharp
      • Double Sharp
    • G
      • Double Flat
      • Flat
      • Natural
      • Sharp
      • Double Sharp
    • A
      • Double Flat
      • Flat
      • Natural
      • Sharp
      • Double Sharp
    • B
      • Double Flat
      • Flat
      • Natural
      • Sharp
      • Double Sharp
  • Delete Note
    • C
      • Double Flat
      • Flat
      • Natural
      • Sharp
      • Double Sharp
    • D
      • Double Flat
      • Flat
      • Natural
      • Sharp
      • Double Sharp
    • E
      • Double Flat
      • Flat
      • Natural
      • Sharp
      • Double Sharp
    • F
      • Double Flat
      • Flat
      • Natural
      • Sharp
      • Double Sharp
    • G
      • Double Flat
      • Flat
      • Natural
      • Sharp
      • Double Sharp
    • A
      • Double Flat
      • Flat
      • Natural
      • Sharp
      • Double Sharp
    • B
      • Double Flat
      • Flat
      • Natural
      • Sharp
      • Double Sharp
  • Clear Cycle

the line of fifths rule

►lydian

►ionian

►mixolydian

►dorian

►aeolian

►phrygian

►locrian

▲▲

major keyminor key

key signature notes

d9

d13

d10

d14

d11

d15

d12

m9

m13

m10

m14

P11

P15

P12

M9

M13

M10

M14

A11

A15

A12

A9

A13

A10

A14

d2

d6

d3

d7

d4

d8

d5

m2

m6

m3

m7

P4

P1, 8

Root

▼

P5

M2

M6

M3

M7

A4

A8

A5

A2

A6

A3

A7

F♭♭

C♭♭

G♭♭

D♭♭

A♭♭

E♭♭

B♭♭

F♭

C♭

G♭

D♭

A♭

E♭

B♭

F

C

G

D

A

E

B

F♯

C♯

G♯

D♯

A♯

E♯

B♯

Fx

Cx

Gx

Dx

Ax

Ex

Bx

the circle of fifths rule

the circle of halfs rule

W

W

W

W

W

H

H

ionian

T

dorian

phrygian

lydian

mixolydian

aeolian

locrian

C♭♭♭♭♭♭

C♭♭♭♭♭

C♭♭♭♭

C♭♭♭

C♭♭

C♭

C

C♯

Cx

C♯x

Cxx

C♯xx

Cxxx

C♭♭♭♭♭♭

C♭♭♭♭♭

C♭♭♭♭

C♭♭♭

C♭♭

C♭

C

C♯

Cx

C♯x

Cxx

C♯xx

Cxxx

D♭♭♭♭♭♭

D♭♭♭♭♭

D♭♭♭♭

D♭♭♭

D♭♭

D♭

D

D♯

Dx

D♯x

Dxx

D♯xx

Dxxx

D♭♭♭♭♭♭

D♭♭♭♭♭

D♭♭♭♭

D♭♭♭

D♭♭

D♭

D

D♯

Dx

D♯x

Dxx

D♯xx

Dxxx

E♭♭♭♭♭♭

E♭♭♭♭♭

E♭♭♭♭

E♭♭♭

E♭♭

E♭

E

E♯

Ex

E♯x

Exx

E♯xx

Exxx

E♭♭♭♭♭♭

E♭♭♭♭♭

E♭♭♭♭

E♭♭♭

E♭♭

E♭

E

E♯

Ex

E♯x

Exx

E♯xx

Exxx

F♭♭♭♭♭♭

F♭♭♭♭♭

F♭♭♭♭

F♭♭♭

F♭♭

F♭

F

F♯

Fx

F♯x

Fxx

F♯xx

Fxxx

F♭♭♭♭♭♭

F♭♭♭♭♭

F♭♭♭♭

F♭♭♭

F♭♭

F♭

F

F♯

Fx

F♯x

Fxx

F♯xx

Fxxx

G♭♭♭♭♭♭

G♭♭♭♭♭

G♭♭♭♭

G♭♭♭

G♭♭

G♭

G

G♯

Gx

G♯x

Gxx

G♯xx

Gxxx

G♭♭♭♭♭♭

G♭♭♭♭♭

G♭♭♭♭

G♭♭♭

G♭♭

G♭

G

G♯

Gx

G♯x

Gxx

G♯xx

Gxxx

A♭♭♭♭♭♭

A♭♭♭♭♭

A♭♭♭♭

A♭♭♭

A♭♭

A♭

A

A♯

Ax

A♯x

Axx

A♯xx

Axxx

A♭♭♭♭♭♭

A♭♭♭♭♭

A♭♭♭♭

A♭♭♭

A♭♭

A♭

A

A♯

Ax

A♯x

Axx

A♯xx

Axxx

B♭♭♭♭♭♭

B♭♭♭♭♭

B♭♭♭♭

B♭♭♭

B♭♭

B♭

B

B♯

Bx

B♯x

Bxx

B♯xx

Bxxx

B♭♭♭♭♭♭

B♭♭♭♭♭

B♭♭♭♭

B♭♭♭

B♭♭

B♭

B

B♯

Bx

B♯x

Bxx

B♯xx

Bxxx

Root

P1/8

A8

d3

m3

M3

A3

d5

P5

A5

d7

m7

d8

A7

d2/9

m2/9

M2/9

A2/9

d4/11

P4/11

A4/11

d6/13

m6/13

M6/13

A6/13

M7

the stringed rule

E

C

Db

D

Eb

E

F

Gb

G

Ab

A

Bb

B

B

C

Db

D

Eb

E

F

Gb

G

Ab

A

Bb

B

G

C

Db

D

Eb

E

F

Gb

G

Ab

A

Bb

B

D

C

Db

D

Eb

E

F

Gb

G

Ab

A

Bb

B

A

C

Db

D

Eb

E

F

Gb

G

Ab

A

Bb

B

E

C

Db

D

Eb

E

F

Gb

G

Ab

A

Bb

B

B

C

Db

D

Eb

E

F

Gb

G

Ab

A

Bb

B

G

C

Db

D

Eb

E

F

Gb

G

Ab

A

Bb

B

D

C

Db

D

Eb

E

F

Gb

G

Ab

A

Bb

B

A

C

Db

D

Eb

E

F

Gb

G

Ab

A

Bb

B

C♭♭

C♭

C

C♯

Cx

C♭♭

C♭

C

C♯

Cx

C♭♭

C♭

C

C♯

Cx

C♭♭

C♭

C

C♯

Cx

D♭♭

D♭

D

D♯

Dx

D♭♭

D♭

D

D♯

Dx

D♭♭

D♭

D

D♯

Dx

D♭♭

D♭

D

D♯

Dx

E♭♭

E♭

E

E♯

Ex

E♭♭

E♭

E

E♯

Ex

E♭♭

E♭

E

E♯

Ex

E♭♭

E♭

E

E♯

Ex

F♭♭

F♭

F

F♯

Fx

F♭♭

F♭

F

F♯

Fx

F♭♭

F♭

F

F♯

Fx

F♭♭

F♭

F

F♯

Fx

G♭♭

G♭

G

G♯

Gx

G♭♭

G♭

G

G♯

Gx

G♭♭

G♭

G

G♯

Gx

G♭♭

G♭

G

G♯

Gx

A♭♭

A♭

A

A♯

Ax

A♭♭

A♭

A

A♯

Ax

A♭♭

A♭

A

A♯

Ax

A♭♭

A♭

A

A♯

Ax

B♭♭

B♭

B

B♯

Bx

B♭♭

B♭

B

B♯

Bx

B♭♭

B♭

B

B♯

Bx

B♭♭

B♭

B

B♯

Bx

C♭♭

C♭

C

C♯

Cx

C♭♭

C♭

C

C♯

Cx

C♭♭

C♭

C

C♯

Cx

C♭♭

C♭

C

C♯

Cx

D♭♭

D♭

D

D♯

Dx

D♭♭

D♭

D

D♯

Dx

D♭♭

D♭

D

D♯

Dx

D♭♭

D♭

D

D♯

Dx

E♭♭

E♭

E

E♯

Ex

E♭♭

E♭

E

E♯

Ex

E♭♭

E♭

E

E♯

Ex

E♭♭

E♭

E

E♯

Ex

F♭♭

F♭

F

F♯

Fx

F♭♭

F♭

F

F♯

Fx

F♭♭

F♭

F

F♯

Fx

F♭♭

F♭

F

F♯

Fx

G♭♭

G♭

G

G♯

Gx

G♭♭

G♭

G

G♯

Gx

G♭♭

G♭

G

G♯

Gx

G♭♭

G♭

G

G♯

Gx

A♭♭

A♭

A

A♯

Ax

A♭♭

A♭

A

A♯

Ax

A♭♭

A♭

A

A♯

Ax

A♭♭

A♭

A

A♯

Ax

B♭♭

B♭

B

B♯

Bx

B♭♭

B♭

B

B♯

Bx

B♭♭

B♭

B

B♯

Bx

B♭♭

B♭

B

B♯

Bx

C♭♭

C♭

C

C♯

Cx

C♭♭

C♭

C

C♯

Cx

C♭♭

C♭

C

C♯

Cx

C♭♭

C♭

C

C♯

Cx

D♭♭

D♭

D

D♯

Dx

D♭♭

D♭

D

D♯

Dx

D♭♭

D♭

D

D♯

Dx

D♭♭

D♭

D

D♯

Dx

E♭♭

E♭

E

E♯

Ex

E♭♭

E♭

E

E♯

Ex

E♭♭

E♭

E

E♯

Ex

E♭♭

E♭

E

E♯

Ex

F♭♭

F♭

F

F♯

Fx

F♭♭

F♭

F

F♯

Fx

F♭♭

F♭

F

F♯

Fx

F♭♭

F♭

F

F♯

Fx

G♭♭

G♭

G

G♯

Gx

G♭♭

G♭

G

G♯

Gx

G♭♭

G♭

G

G♯

Gx

G♭♭

G♭

G

G♯

Gx

A♭♭

A♭

A

A♯

Ax

A♭♭

A♭

A

A♯

Ax

A♭♭

A♭

A

A♯

Ax

A♭♭

A♭

A

A♯

Ax

B♭♭

B♭

B

B♯

Bx

B♭♭

B♭

B

B♯

Bx

B♭♭

B♭

B

B♯

Bx

B♭♭

B♭

B

B♯

Bx

C♭♭

C♭

C

C♯

Cx

C♭♭

C♭

C

C♯

Cx

C♭♭

C♭

C

C♯

Cx

C♭♭

C♭

C

C♯

Cx

D♭♭

D♭

D

D♯

Dx

D♭♭

D♭

D

D♯

Dx

D♭♭

D♭

D

D♯

Dx

D♭♭

D♭

D

D♯

Dx

E♭♭

E♭

E

E♯

Ex

E♭♭

E♭

E

E♯

Ex

E♭♭

E♭

E

E♯

Ex

E♭♭

E♭

E

E♯

Ex

F♭♭

F♭

F

F♯

Fx

F♭♭

F♭

F

F♯

Fx

F♭♭

F♭

F

F♯

Fx

F♭♭

F♭

F

F♯

Fx

G♭♭

G♭

G

G♯

Gx

G♭♭

G♭

G

G♯

Gx

G♭♭

G♭

G

G♯

Gx

G♭♭

G♭

G

G♯

Gx

A♭♭

A♭

A

A♯

Ax

A♭♭

A♭

A

A♯

Ax

A♭♭

A♭

A

A♯

Ax

A♭♭

A♭

A

A♯

Ax

B♭♭

B♭

B

B♯

Bx

B♭♭

B♭

B

B♯

Bx

B♭♭

B♭

B

B♯

Bx

B♭♭

B♭

B

B♯

Bx

C♭♭

C♭

C

C♯

Cx

C♭♭

C♭

C

C♯

Cx

C♭♭

C♭

C

C♯

Cx

C♭♭

C♭

C

C♯

Cx

D♭♭

D♭

D

D♯

Dx

D♭♭

D♭

D

D♯

Dx

D♭♭

D♭

D

D♯

Dx

D♭♭

D♭

D

D♯

Dx

E♭♭

E♭

E

E♯

Ex

E♭♭

E♭

E

E♯

Ex

E♭♭

E♭

E

E♯

Ex

E♭♭

E♭

E

E♯

Ex

F♭♭

F♭

F

F♯

Fx

F♭♭

F♭

F

F♯

Fx

F♭♭

F♭

F

F♯

Fx

F♭♭

F♭

F

F♯

Fx

G♭♭

G♭

G

G♯

Gx

G♭♭

G♭

G

G♯

Gx

G♭♭

G♭

G

G♯

Gx

G♭♭

G♭

G

G♯

Gx

A♭♭

A♭

A

A♯

Ax

A♭♭

A♭

A

A♯

Ax

A♭♭

A♭

A

A♯

Ax

A♭♭

A♭

A

A♯

Ax

B♭♭

B♭

B

B♯

Bx

B♭♭

B♭

B

B♯

Bx

B♭♭

B♭

B

B♯

Bx

B♭♭

B♭

B

B♯

Bx

C♭♭

C♭

C

C♯

Cx

C♭♭

C♭

C

C♯

Cx

C♭♭

C♭

C

C♯

Cx

C♭♭

C♭

C

C♯

Cx

D♭♭

D♭

D

D♯

Dx

D♭♭

D♭

D

D♯

Dx

D♭♭

D♭

D

D♯

Dx

D♭♭

D♭

D

D♯

Dx

E♭♭

E♭

E

E♯

Ex

E♭♭

E♭

E

E♯

Ex

E♭♭

E♭

E

E♯

Ex

E♭♭

E♭

E

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