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Circle of Fifths

Interactive circle of fifths diagram

Circle of Fifths
C—G1♯D2♯A3♯E4♯B5♯F#6♯Db5♭Ab4♭Eb3♭Bb2♭F1♭AmEmBmF#mC#mG#mD#mBbmFmCmGmDmMAJORminor
Major
minor
Click on any key to hear and view information

C Major

C Trưởng
Key Signature
No key signature
Relative Key
A minor
Scale
I
II
III
IV
V
VI
VII
C
D
E
F
G
A
B
1P
2M
3M
4P
5P
6M
7M
Triads
C
Dm
Em
F
G
Am
Bdim
7th Chords
T

Cmaj7

SD

Dm7

T

Em7

SD

Fmaj7

D

G7

T

Am7

D

Bm7b5

Modes
C major
D dorian
E phrygian
F lydian
G mixolydian
A minor
B locrian
ii-V-I Progressions
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Harmonic Functions
T = Tonic
SD = Subdominant
D = Dominant
How to use Circle of Fifths
Relative Keys

Major and minor at the same position share the same key signature

Key Modulation

Adjacent keys differ by only one accidental

Related Chords

Nearby keys share many common chords

Perfect Fifth

Clockwise: +7 semitones