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Circle of Fifths
Rotate the wheel to bring a key to 12 o'clock. Clockwise moves up a fifth, anticlockwise up a fourth. Highlighted segments are the diatonic chords of the selected key.
C major / A minor
Diminished chord: B°
Key signature
0
No sharps or flats
C major
C D E F G A B
| Degree | Note | Triad | Triad notes | 7th chord | 7th notes |
|---|---|---|---|---|---|
| 1 Tonic | C | I·C | C E G | Imaj7·Cmaj7 | C E G B |
| 2 Supertonic | D | ii·Dm | D F A | ii7·Dm7 | D F A C |
| 3 Mediant | E | iii·Em | E G B | iii7·Em7 | E G B D |
| 4 Subdominant | F | IV·F | F A C | IVmaj7·Fmaj7 | F A C E |
| 5 Dominant | G | V·G | G B D | V7·G7 | G B D F |
| 6 Submediant | A | vi·Am | A C E | vi7·Am7 | A C E G |
| 7 Leading tone | B | vii°·B° | B D F | viiø7·Bm7♭5 | B D F A |
A natural minor
A B C D E F G
| Degree | Note | Triad | Triad notes | 7th chord | 7th notes |
|---|---|---|---|---|---|
| 1 Tonic | A | i·Am | A C E | i7·Am7 | A C E G |
| 2 Supertonic | B | ii°·B° | B D F | iiø7·Bm7♭5 | B D F A |
| 3 Mediant | C | III·C | C E G | IIImaj7·Cmaj7 | C E G B |
| 4 Subdominant | D | iv·Dm | D F A | iv7·Dm7 | D F A C |
| 5 Dominant | E | v·Em | E G B | v7·Em7 | E G B D |
| 6 Submediant | F | VI·F | F A C | VImaj7·Fmaj7 | F A C E |
| 7 Subtonic | G | VII·G | G B D | VII7·G7 | G B D F |
Modes of C major
| Mode | Degree | Quality | Notes |
|---|---|---|---|
| C Ionian | 1 | major | C D E F G A B |
| D Dorian | 2 | minor | D E F G A B C |
| E Phrygian | 3 | minor | E F G A B C D |
| F Lydian | 4 | major | F G A B C D E |
| G Mixolydian | 5 | major | G A B C D E F |
| A Aeolian | 6 | minor | A B C D E F G |
| B Locrian | 7 | diminished | B C D E F G A |