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Circle of Fifths
Interactive circle of fifths diagram
Circle of Fifths
Major
minor
C Major
C TrưởngKey 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