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▗▄▄▞▘ █ ▐▌ ▐▌▗▄█▄▖▐▌ ▐▌▝▚▄▞▘ ▝▚▄▄▖▝▚▄▞▘▐▙▄▄▀▐▙▄▄▖▗▞▘▝▚▖Intervals
Main Intervals
| # | Note | Interval name | Short |
|---|---|---|---|
| 0 | C | Perfect Unison | P1 |
| 1 | C♯ / D♭ | Minor 2nd | m2 |
| 2 | D | Major 2nd | M2 |
| 3 | D♯ / E♭ | Minor 3rd | m3 |
| 4 | E | Major 3rd | M3 |
| 5 | F | Perfect 4th | P4 |
| 6 | F♯ / G♭ | Diminished 5th* | d5 |
| 7 | G | Perfect 5th | P5 |
| 8 | G♯ / A♭ | Minor 6th | m6 |
| 9 | A | Major 6th | M6 |
| 10 | A♯ / B♭ | Minor 7th | m7 |
| 11 | B | Major 7th | M7 |
| 12 | C | Perfect Octave | P8 |
(*) or Augmented 4th or Tritone
Compound Intervals
| # | Note | Interval name | Short |
|---|---|---|---|
| 12 | C | Perfect Octave | P8 |
| 13 | C♯ / D♭ | Minor 9th | m9 |
| 14 | D | Major 9th | M9 |
| 15 | D♯ / E♭ | Augmented 9th | A9 |
| 16 | E | Diminished 11th | d11 |
| 17 | F | Perfect 11th | P11 |
| 18 | F♯ / G♭ | Augmented 11th | A11 |
| 19 | G | Diminished 13th | d13 |
| 20 | G♯ / A♭ | Minor 13th | m13 |
| 21 | A | Major 13th | M13 |
| 22 | A♯ / B♭ | Augmented 13th | A13 |
| 23 | B | - | - |
| 24 | C | Double Octave | D8 |
Diatonic Scales (7 notes)
Major Scale
(T-T-s-T-T-T-s)
| Degree | Note | Interval | Name |
|---|---|---|---|
| 1 | C | P1 | Tonic |
| 2 | D | M2 | Supertonic |
| 3 | E | M3 | Mediant |
| 4 | F | P4 | Subdominant |
| 5 | G | P5 | Dominant |
| 6 | A | M6 | Submediant |
| 7 | B | M7 | Leading Tone |
Natural Minor Scale
(T-s-T-T-s-T-T)
| Degree | Note | Interval | Name |
|---|---|---|---|
| 1 | A | P1 | Tonic |
| 2 | B | M2 | Supertonic |
| 3 | C | m3 | Mediant |
| 4 | D | P4 | Subdominant |
| 5 | E | P5 | Dominant |
| 6 | F | m6 | Submediant |
| 7 | G | m7 | Subtonic |
Chords
Triads
| Intervals | Chord name | Long | Short |
|---|---|---|---|
| 1 3 5 | Major | ||
| 1 3 ♯5 | Augmented | aug | + |
| 1 ♭3 5 | Minor | m | - |
| 1 ♭3 ♭5 | Diminished | dim | o |
| 1 2 5 | Suspended 2nd | sus2 | sus2 |
| 1 4 5 | Suspended 4th | sus4 | sus |
Seventh
| Intervals | Chord name | Long | Short |
|---|---|---|---|
| 1 3 5 7 | Major 7th | maj7 | Δ |
| 1 3 5 ♭7 | Dominant 7th | 7 | 7 |
| 1 3 ♯5 7 | Augmented-Major 7th | maj7(♯5) | +Δ |
| 1 3 ♯5 ♭7 | Augmented-Dominant 7th | aug7 | +7 |
| 1 ♭3 5 7 | Minor-Major 7th | m(maj7) | -Δ |
| 1 ♭3 5 ♭7 | Minor 7th | m7 | -7 |
| 1 ♭3 ♭5 7 | Diminished-Major 7th | dim(maj7) | oΔ |
| 1 ♭3 ♭5 ♭7 | Half-Diminished 7th | m7(♭5) | ø |
| 1 ♭3 ♭5 𝄫7 | Diminished 7th | dim7 | o7 |
Sixth
| Intervals | Chord name | Long | Short |
|---|---|---|---|
| 1 3 5 6 | Major 6th | 6 | 6 |
| 1 ♭3 5 6 | Minor 6th | m6 | -6 |
| 1 3 5 6 9 | Sixth-Ninth | 6/9 | 6/9 |
Extended
| Intervals | Chord name | Long | Short |
|---|---|---|---|
| 1 3 5 7 9 | Major 9th | maj9 | Δ9 |
| 1 3 5 7 9 11 | Major 11th | maj11 | Δ11 |
| 1 3 5 7 9 11 13 | Major 13th | maj13 | Δ13 |
| 1 ♭3 5 ♭7 9 | Minor 9th | m9 | -9 |
| 1 ♭3 5 ♭7 9 11 | Minor 11th | m11 | -11 |
| 1 ♭3 5 ♭7 9 11 13 | Minor 13th | m13 | -13 |
| 1 3 5 ♭7 9 | Dominant 9th | 9 | 9 |
| 1 3 5 ♭7 9 11 | Dominant 11th | 11 | 11 |
| 1 3 5 ♭7 9 11 13 | Dominant 13th | 13 | 13 |
Added tones
| Added tones | Long | Short | |
|---|---|---|---|
| 9 | add9 | (9) | |
| 11 | add11 | (11) | |
| 13 | add13 | (13) |
Altered tones
| Altered tones | Long | Short | |
|---|---|---|---|
| ♭9 | (♭9) | (♭9) | |
| ♯9 | (♯9) | (♯9) | |
| ♭11 | (♭11) | (♭11) | |
| ♯11 | (♯11) | (♯11) | |
| ♭13 | (♭13) | (♭13) | |
| ♯13 | (♯13) | (♯13) | |
| ♭9 ♭13 | (♭9,♭13) | (♭9,♭13) | |
| ♭9 ♭11 ♭13 | (♭9,♭11,♭13) | (♭9,♭11,♭13) |
Shell Voicing
Major 7th
Root on 6th string
X ┌┬┬┬┐
X ├┼┼┼┤
├┼3┼┼┤
├┼7┼┼┤
X ├┼┼┼┤
└1┴┴┴┘
Root on 5th string
X ┌┬┬┬┐
X ├┼┼┼┤
├┼┼7┼┤
├3┼┼┼┤
├┼1┼┼┤
X └┴┴┴┘
Root on 4th string
X ┌┬┬┬┐
├┼┼┼7┤
├3┼┼┼┤
├┼1┼┼┤
X ├┼┼┼┤
X └┴┴┴┘
Root on 3th string
┌┬┬7┬┐
├3┼┼┼┤
├1┼┼┼┤
X ├┼┼┼┤
X ├┼┼┼┤
X └┴┴┴┘
Minor 7th
Root on 6th string
X ┌┬┬┬┐
X ├┼┼┼┤
├♭3┼┼┼┤
├♭7┼┼┼┤
X ├┼┼┼┤
└1┴┴┴┘
Root on 5th string
X ┌┬┬┬┐
X ├┼┼┼┤
├┼┼♭7┼┤
├♭3┼┼┼┤
├┼┼1┼┤
X └┴┴┴┘
Root on 4th string
X ┌┬┬┬┐
├┼┼┼♭7┤
├♭3┼┼┼┤
├┼┼1┼┤
X ├┼┼┼┤
X └┴┴┴┘
Root on 3th string
┌┬┬♭7┬┐
├♭3┼┼┼┤
├┼1┼┼┤
X ├┼┼┼┤
X ├┼┼┼┤
X └┴┴┴┘
Dominant 7th
Root on 6th string
X ┌┬┬┬┐
X ├┼┼┼┤
├┼3┼┼┤
├♭7┼┼┼┤
X ├┼┼┼┤
└1┴┴┴┘
Root on 5th string
X ┌┬┬┬┐
X ├┼┼┼┤
├┼♭7┼┼┤
├3┼┼┼┤
├┼1┼┼┤
X └┴┴┴┘
Root on 4th string
X ┌┬┬┬┐
├┼┼♭7┼┤
├3┼┼┼┤
├┼1┼┼┤
X ├┼┼┼┤
X └┴┴┴┘
Root on 3th string
┌┬♭7┬┬┐
├3┼┼┼┤
├1┼┼┼┤
X ├┼┼┼┤
X ├┼┼┼┤
X └┴┴┴┘
Minor-Major 7th
Root on 6th string
X ┌┬┬┬┐
X ├┼┼┼┤
├♭3┼┼┼┤
├┼7┼┼┤
X ├┼┼┼┤
└1┴┴┴┘
Root on 5th string
X ┌┬┬┬┐
X ├┼┼┼┤
├┼┼┼7┤
├♭3┼┼┼┤
├┼┼1┼┤
X └┴┴┴┘
Root on 4th string
X ┌┬┬┬┬┐
├┼┼┼┼7┤
├♭3┼┼┼┼┤
├┼┼1┼┼┤
X ├┼┼┼┼┤
X └┴┴┴┴┘
Root on 3th string
┌┬┬┬7┐
├♭3┼┼┼┤
├┼1┼┼┤
X ├┼┼┼┤
X ├┼┼┼┤
X └┴┴┴┘
Diminished 7th
Root on 6th string
X ┌┬┬┬┐
X ├┼┼┼┤
├┼♭3┼┼┤
├𝄫7┼┼┼┤
X ├┼┼┼┤
└┴1┴┴┘
Root on 5th string
X ┌┬┬┬┐
X ├┼┼┼┤
├┼𝄫7┼┼┤
├♭3┼┼┼┤
├┼┼1┼┤
X └┴┴┴┘
Root on 4th string
X ┌┬┬┬┐
├┼┼𝄫7┼┤
├♭3┼┼┼┤
├┼┼1┼┤
X ├┼┼┼┤
X └┴┴┴┘
Root on 3th string
┌┬𝄫7┬┬┐
├♭3┼┼┼┤
├┼1┼┼┤
X ├┼┼┼┤
X ├┼┼┼┤
X └┴┴┴┘
Dominant 7th Suspended
Root on 6th string
X ┌┬┬┬┐
X ├┼┼┼┤
├┼┼4┼┤
├♭7┼┼┼┤
X ├┼┼┼┤
└1┴┴┴┘
Root on 5th string
X ┌┬┬┬┐
X ├┼┼┼┤
├♭7┼┼┼┤
├4┼┼┼┤
├1┼┼┼┤
X └┴┴┴┘
Root on 4th string
X ┌┬┬┬┐
├┼♭7┼┼┤
├4┼┼┼┤
├1┼┼┼┤
X ├┼┼┼┤
X └┴┴┴┘
Root on 3th string
┌┬♭7┬┬┐
├┼4┼┼┤
├1┼┼┼┤
X ├┼┼┼┤
X ├┼┼┼┤
X └┴┴┴┘
Major Scale
Root
e ┌┬┬2┬┬3┬4┬┐
B ├┼┼6┼┼7┼1┼┤
G ├┼3┼4┼┼5┼┼┤
D ├┼7┼1┼┼2┼┼┤
A ├4┼┼5┼┼6┼┼┤
E └1┴┴2┴┴3┴┴┘
Major 2nd
e ┌┬┬3┬4┬┬5┬┐
B ├┼┼7┼1┼┼2┼┤
G ├4┼┼5┼┼6┼┼┤
D ├1┼┼2┼┼3┼┼┤
A ├5┼┼6┼┼7┼┼┤
E └2┴┴3┴4┴┴┴┘
Major 3rd
e ┌┬4┬┬5┬┬6┬┐
B ├┼1┼┼2┼┼3┼┤
G ├5┼┼6┼┼7┼┼┤
D ├2┼┼3┼4┼┼┼┤
A ├6┼┼7┼1┼┼┼┤
E └3┴4┴┴5┴┴┴┘
Perfect 4th
e ┌┬┬5┬┬6┬┬7┐
B ├┼┼2┼┼3┼4┼┤
G ├┼6┼┼7┼1┼┼┤
D ├┼3┼4┼┼5┼┼┤
A ├┼7┼1┼┼2┼┼┤
E └4┴┴5┴┴6┴┴┘
Perfect 5th
e ┌┬┬6┬┬7┬1┬┐
B ├┼┼3┼4┼┼5┼┤
G ├┼7┼1┼┼2┼┼┤
D ├4┼┼5┼┼6┼┼┤
A ├1┼┼2┼┼3┼┼┤
E └5┴┴6┴┴7┴┴┘
Major 6th
e ┌┬┬7┬1┬┬2┬┐
B ├┼4┼┼5┼┼6┼┤
G ├1┼┼2┼┼3┼┼┤
D ├5┼┼6┼┼7┼┼┤
A ├2┼┼3┼4┼┼┼┤
E └6┴┴7┴1┴┴┴┘
Major 7th
e ┌┬1┬┬2┬┬3┬┐
B ├┼5┼┼6┼┼7┼┤
G ├2┼┼3┼4┼┼┼┤
D ├6┼┼7┼1┼┼┼┤
A ├3┼4┼┼5┼┼┼┤
E └7┴1┴┴2┴┴┴┘
Minor Scales
Natural Minor
1 2 ♭3 4 5 ♭6 ♭7
e ┌┬┬2┬♭3┬┬4┐
B ├┼♭6┼┼♭7┼┼1┤
G ├♭3┼┼4┼┼5┼┤
D ├♭7┼┼1┼┼2┼┤
A ├4┼┼5┼♭6┼┼┤
E └1┴┴2┴♭3┴┴┘
Harmonic Minor
1 2 ♭3 4 5 ♭6 7
e ┌┬┬2┬♭3┬┬4┐
B ├┼♭6┼┼┼7┼1┤
G ├♭3┼┼4┼┼5┼┤
D ├┼7┼1┼┼2┼┤
A ├4┼┼5┼♭6┼┼┤
E └1┴┴2┴♭3┴┴┘
Melodic Minor
1 2 ♭3 4 5 6 7
e ┌┬┬2┬♭3┬┬4┐
B ├┼┼6┼┼7┼1┤
G ├♭3┼┼4┼┼5┼┤
D ├┼7┼1┼┼2┼┤
A ├4┼┼5┼┼6┼┤
E └1┴┴2┴♭3┴┴┘
1. Ionian (Major)
1 2 3 4 5 6 7
e ┌┬┬2┬┬3┬4┬┐
B ├┼┼6┼┼7┼1┼┤
G ├┼3┼4┼┼5┼┼┤
D ├┼7┼1┼┼2┼┼┤
A ├4┼┼5┼┼6┼┼┤
E └1┴┴2┴┴3┴┴┘
2. Dorian
1 2 ♭3 4 5 6 ♭7
e ┌┬┬2┬♭3┬┬4┬┐
B ├┼┼6┼♭7┼┼1┼┤
G ├♭3┼┼4┼┼5┼┼┤
D ├♭7┼┼1┼┼2┼┼┤
A ├4┼┼5┼┼6┼┼┤
E └1┴┴2┴♭3┴┴┴┘
3. Phrygian
1 ♭2 ♭3 4 5 ♭6 ♭7
e ┌┬♭2┬┬♭3┬┬4┬┐
B ├┼♭6┼┼♭7┼┼1┼┤
G ├♭3┼┼4┼┼5┼┼┤
D ├♭7┼┼1┼♭2┼┼┼┤
A ├4┼┼5┼♭6┼┼┼┤
E └1┴♭2┴┴♭3┴┴┴┘
4. Lydian
1 2 3 ♯4 5 6 7
e ┌┬┬2┬┬3┬┬♯4┐
B ├┼┼6┼┼7┼1┼┤
G ├┼3┼┼♯4┼5┼┼┤
D ├┼7┼1┼┼2┼┼┤
A ├┼♯4┼5┼┼6┼┼┤
E └1┴┴2┴┴3┴┴┘
5. Mixolydian
1 2 3 4 5 6 ♭7
e ┌┬┬2┬┬3┬4┬┐
B ├┼┼6┼♭7┼┼1┼┤
G ├┼3┼4┼┼5┼┼┤
D ├♭7┼┼1┼┼2┼┼┤
A ├4┼┼5┼┼6┼┼┤
E └1┴┴2┴┴3┴┴┘
6. Aeolian (Natural Minor)
1 2 ♭3 4 5 ♭6 ♭7
e ┌┬┬2┬♭3┬┬4┬┐
B ├┼♭6┼┼♭7┼┼1┼┤
G ├♭3┼┼4┼┼5┼┼┤
D ├♭7┼┼1┼┼2┼┼┤
A ├4┼┼5┼♭6┼┼┼┤
E └1┴┴2┴♭3┴┴┴┘
7. Locrian
1 ♭2 ♭3 4 ♭5 ♭6 ♭7
e ┌┬♭2┬┬♭3┬┬4┬┐
B ├┼♭6┼┼♭7┼┼1┼┤
G ├♭3┼┼4┼♭5┼┼┼┤
D ├♭7┼┼1┼♭2┼┼┼┤
A ├4┼♭5┼┼♭6┼┼┼┤
E └1┴♭2┴┴♭3┴┴┴┘
1. Harmonic Minor
1 2 ♭3 4 5 ♭6 7
e ┌┬┬2┬♭3┬┬4┐
B ├┼♭6┼┼┼7┼1┤
G ├♭3┼┼4┼┼5┼┤
D ├┼7┼1┼┼2┼┤
A ├4┼┼5┼♭6┼┼┤
E └1┴┴2┴♭3┴┴┘
2. Locrian ♮6
1 ♭2 ♭3 4 ♭5 6 ♭7
e ┌┬♭2┬┬♭3┬┬4┬┐
B ├┼┼6┼♭7┼┼1┼┤
G ├♭3┼┼4┼♭5┼┼┼┤
D ├♭7┼┼1┼♭2┼┼┼┤
A ├4┼♭5┼┼┼6┼┼┤
E └1┴♭2┴┴♭3┴┴┴┘
3. Ionian Augmented
1 2 3 4 ♯5 6 7
e ┌┬┬2┬┬3┬4┬┐
B ├┼┼6┼┼7┼1┼┤
G ├┼3┼4┼┼┼♯5┼┤
D ├┼7┼1┼┼2┼┼┤
A ├4┼┼┼♯5┼6┼┼┤
E └1┴┴2┴┴3┴┴┘
4. Dorian ♯11
1 2 ♭3 ♯4 5 6 ♭7
e ┌┬┬2┬♭3┬┬┬♯4┐
B ├┼┼6┼♭7┼┼1┼┤
G ├♭3┼┼┼♯4┼5┼┼┤
D ├♭7┼┼1┼┼2┼┼┤
A ├┼♯4┼5┼┼6┼┼┤
E └1┴┴2┴♭3┴┴┴┘
5. Phrygian Dominant
1 ♭2 3 4 5 ♭6 ♭7
e ┌┬♭2┬┬┬3┬4┬┐
B ├┼♭6┼┼♭7┼┼1┼┤
G ├┼3┼4┼┼5┼┼┤
D ├♭7┼┼1┼♭2┼┼┼┤
A ├4┼┼5┼♭6┼┼┼┤
E └1┴♭2┴┴┴3┴┴┘
6. Lydian ♯9
1 ♯2 3 ♯4 5 6 7
e ┌┬┬┬♯2┬3┬┬♯4┐
B ├┼┼6┼┼7┼1┼┤
G ├┼3┼┼♯4┼5┼┼┤
D ├┼7┼1┼┼┼♯2┼┤
A ├┼♯4┼5┼┼6┼┼┤
E └1┴┴┴♯2┴3┴┴┘
7. Ultra Locrian
1 ♭2 ♭3 ♭4 ♭5 ♭6 𝄫7
e ┌┬┬♭2┬┬♭3┬♭4┬┐
B ├┼┼♭6┼𝄫7┼┼┼1┤
G ├┼♭3┼♭4┼┼♭5┼┼┤
D ├𝄫7┼┼┼1┼♭2┼┼┤
A ├♭4┼┼♭5┼┼♭6┼┼┤
E └┴1┴♭2┴┴♭3┴┴┘
1. Melodic Minor
1 2 ♭3 4 5 6 7
e ┌┬┬2┬♭3┬┬4┐
B ├┼┼6┼┼7┼1┤
G ├♭3┼┼4┼┼5┼┤
D ├┼7┼1┼┼2┼┤
A ├4┼┼5┼┼6┼┤
E └1┴┴2┴♭3┴┴┘
2. Dorian ♭9
1 ♭2 ♭3 4 5 6 ♭7
e ┌┬♭2┬┬♭3┬┬4┬┐
B ├┼┼6┼♭7┼┼1┼┤
G ├♭3┼┼4┼┼5┼┼┤
D ├♭7┼┼1┼♭2┼┼┼┤
A ├4┼┼5┼┼6┼┼┤
E └1┴♭2┴┴♭3┴┴┴┘
3. Lydian Augmented
1 2 3 ♯4 ♯5 6 7
e ┌┬┬2┬┬3┬┬♯4┐
B ├┼┼6┼┼7┼1┼┤
G ├┼3┼┼♯4┼┼♯5┼┤
D ├┼7┼1┼┼2┼┼┤
A ├┼♯4┼┼♯5┼6┼┼┤
E └1┴┴2┴┴3┴┴┘
4. Lydian Dominant
1 2 3 ♯4 5 6 ♭7
e ┌┬┬2┬┬3┬┬♯4┐
B ├┼┼6┼♭7┼┼1┼┤
G ├┼3┼┼♯4┼5┼┼┤
D ├♭7┼┼1┼┼2┼┼┤
A ├┼♯4┼5┼┼6┼┼┤
E └1┴┴2┴┴3┴┴┘
5. Mixolydian ♭13
1 2 3 4 5 ♭6 ♭7
e ┌┬┬2┬┬3┬4┬┐
B ├┼♭6┼┼♭7┼┼1┼┤
G ├┼3┼4┼┼5┼┼┤
D ├♭7┼┼1┼┼2┼┼┤
A ├4┼┼5┼♭6┼┼┼┤
E └1┴┴2┴┴3┴┴┘
6. Locrian ♮2
1 2 ♭3 4 ♭5 ♭6 ♭7
e ┌┬┬2┬♭3┬┬4┬┐
B ├┼♭6┼┼♭7┼┼1┼┤
G ├♭3┼┼4┼♭5┼┼┼┤
D ├♭7┼┼1┼┼2┼┼┤
A ├4┼♭5┼┼♭6┼┼┼┤
E └1┴┴2┴♭3┴┴┴┘
7. Super Locrian (Altered)
1 ♭2 ♭3 ♭4 ♭5 ♭6 ♭7
e ┌┬┬♭2┬┬♭3┬♭4┬┐
B ├┼┼♭6┼┼♭7┼┼1┤
G ├┼♭3┼♭4┼┼♭5┼┼┤
D ├┼♭7┼┼1┼♭2┼┼┤
A ├♭4┼┼♭5┼┼♭6┼┼┤
E └┴1┴♭2┴┴♭3┴┴┘
Root
e ┌┬┬┬┐
B ├5┼┼┼┤
G ├┼3┼┼┤
D ├┼7┼┼┤
A ├┼┼┼┤
E └1┴┴┴┘
e ┌┬┬┬┬┬┬┬5┬┬┬┬7┐
B ├┼┼┼┼┼1┼┼┼┼3┼┼┤
G ├┼┼┼┼5┼┼┼┼7┼┼┼┤
D ├┼┼1┼┼┼┼3┼┼┼┼┼┤
A ├┼┼5┼┼┼┼7┼┼┼┼┼┤
E └1┴┴┴┴3┴┴┴┴┴┴┴┘
Major 3rd
e ┌┬┬┬┐
B ├┼┼7┼┤
G ├┼┼5┼┤
D ├1┼┼┼┤
A ├┼┼┼┤
E └┴┴3┴┘
e ┌┬┬┬┬┬┬┬7┬1┬┬┬┐
B ├┼┼┼┼┼3┼┼┼5┼┼┼┤
G ├┼┼┼┼7┼1┼┼┼┼┼┼┤
D ├┼┼3┼┼┼5┼┼┼┼┼┼┤
A ├┼┼7┼1┼┼┼┼┼┼┼┼┤
E └3┴┴┴5┴┴┴┴┴┴┴┴┘
Perfect 5th
e ┌┬┬┬┐
B ├1┼┼┼┤
G ├┼┼┼7┤
D ├┼3┼┼┤
A ├┼┼┼┤
E └┴┴5┴┘
e ┌┬┬┬┬┬1┬┬┬┬3┬┬┐
B ├┼┼┼┼┼5┼┼┼┼7┼┼┤
G ├┼┼1┼┼┼┼3┼┼┼┼┼┤
D ├┼┼5┼┼┼┼7┼┼┼┼┼┤
A ├1┼┼┼┼3┼┼┼┼┼┼┼┤
E └5┴┴┴┴7┴┴┴┴┴┴┴┘
Major 7th
e ┌┬┬┬┐
B ├3┼┼┼┤
G ├1┼┼┼┤
D ├5┼┼┼┤
A ├┼┼┼┤
E └┴┴7┴┘
e ┌┬┬┬┬┬3┬┬┬5┬┬┬┐
B ├┼┼┼┼┼7┼1┼┼┼┼┼┤
G ├┼┼3┼┼┼5┼┼┼┼┼┼┤
D ├┼┼7┼1┼┼┼┼┼┼┼┼┤
A ├3┼┼┼5┼┼┼┼┼┼┼┼┤
E └7┴1┴┴┴┴┴┴┴┴┴┴┘
Root
e ┌┬┬┐
B ├┼5┼┤
G ├┼♭3┼┤
D ├┼♭7┼┤
A ├┼┼┤
E └┴1┴┘
e ┌┬┬┬┬┬┬┬5┬┬┬♭7┐
B ├┼┼┼┼┼1┼┼┼♭3┼┼┤
G ├┼┼┼┼5┼┼┼♭7┼┼┼┤
D ├┼┼1┼┼┼♭3┼┼┼┼┼┤
A ├┼┼5┼┼┼♭7┼┼┼┼┼┤
E └1┴┴┴♭3┴┴┴┴┴┴┴┘
Minor 3rd
e ┌┬┬┐
B ├┼♭7┼┤
G ├┼┼5┤
D ├1┼┼┤
A ├┼┼┤
E └┴♭3┴┘
e ┌┬┬┬┬┬┬┬♭7┬┬1┬┐
B ├┼┼┼┼┼♭3┼┼┼┼5┼┤
G ├┼┼┼┼♭7┼┼1┼┼┼┼┤
D ├┼┼♭3┼┼┼┼5┼┼┼┼┤
A ├┼┼♭7┼┼1┼┼┼┼┼┼┤
E └♭3┴┴┴┴5┴┴┴┴┴┴┘
Perfect 5th
e ┌┬┬┐
B ├1┼┼┤
G ├┼┼♭7┤
D ├♭3┼┼┤
A ├┼┼┤
E └┴┴5┘
e ┌┬┬┬┬┬1┬┬┬♭3┬┬┐
B ├┼┼┼┼┼5┼┼┼♭7┼┼┤
G ├┼┼1┼┼┼♭3┼┼┼┼┼┤
D ├┼┼5┼┼┼♭7┼┼┼┼┼┤
A ├1┼┼┼♭3┼┼┼┼┼┼┼┤
E └5┴┴┴♭7┴┴┴┴┴┴┴┘
Minor 7th
e ┌┬┬┐
B ├♭3┼┼┤
G ├┼1┼┤
D ├┼5┼┤
A ├┼┼┤
E └┴┴♭7┘
e ┌┬┬┬┬┬♭3┬┬┬┬5┬┐
B ├┼┼┼┼┼♭7┼┼1┼┼┼┤
G ├┼┼♭3┼┼┼┼5┼┼┼┼┤
D ├┼┼♭7┼┼1┼┼┼┼┼┼┤
A ├♭3┼┼┼┼5┼┼┼┼┼┼┤
E └♭7┴┴1┴┴┴┴┴┴┴┴┘
Root
e ┌┬┬┐
B ├5┼┼┤
G ├┼3┼┤
D ├♭7┼┼┤
A ├┼┼┤
E └1┴┴┘
e ┌┬┬┬┬┬┬┬5┬┬┬♭7┐
B ├┼┼┼┼┼1┼┼┼┼3┼┤
G ├┼┼┼┼5┼┼┼♭7┼┼┼┤
D ├┼┼1┼┼┼┼3┼┼┼┼┤
A ├┼┼5┼┼┼♭7┼┼┼┼┼┤
E └1┴┴┴┴3┴┴┴┴┴┴┘
Major 3rd
e ┌┬┬┐
B ├┼♭7┼┤
G ├┼┼5┤
D ├1┼┼┤
A ├┼┼┤
E └┴┴3┘
e ┌┬┬┬┬┬┬♭7┬┬1┬┬┐
B ├┼┼┼┼┼3┼┼┼5┼┼┤
G ├┼┼┼♭7┼┼1┼┼┼┼┼┤
D ├┼┼3┼┼┼5┼┼┼┼┼┤
A ├┼♭7┼┼1┼┼┼┼┼┼┼┤
E └3┴┴┴5┴┴┴┴┴┴┴┘
Perfect 5th
e ┌┬┬┐
B ├1┼┼┤
G ├┼┼♭7┤
D ├┼3┼┤
A ├┼┼┤
E └┴┴5┘
e ┌┬┬┬┬┬1┬┬┬┬3┬┐
B ├┼┼┼┼┼5┼┼┼♭7┼┼┤
G ├┼┼1┼┼┼┼3┼┼┼┼┤
D ├┼┼5┼┼┼♭7┼┼┼┼┼┤
A ├1┼┼┼┼3┼┼┼┼┼┼┤
E └5┴┴┴♭7┴┴┴┴┴┴┴┘
Minor 7th
e ┌┬┬┐
B ├3┼┼┤
G ├1┼┼┤
D ├5┼┼┤
A ├┼┼┤
E └┴♭7┴┘
e ┌┬┬┬┬┬┬3┬┬┬5┬┐
B ├┼┼┼┼┼♭7┼┼1┼┼┼┤
G ├┼┼┼3┼┼┼5┼┼┼┼┤
D ├┼┼♭7┼┼1┼┼┼┼┼┼┤
A ├┼3┼┼┼5┼┼┼┼┼┼┤
E └♭7┴┴1┴┴┴┴┴┴┴┴┘
Root
e ┌┬┬┐
B ├♭5┼┼┤
G ├┼♭3┼┤
D ├┼♭7┼┤
A ├┼┼┤
E └┴1┴┘
e ┌┬┬┬┬┬┬♭5┬┬┬┬♭7┐
B ├┼┼┼┼┼1┼┼┼♭3┼┼┤
G ├┼┼┼♭5┼┼┼┼♭7┼┼┼┤
D ├┼┼1┼┼┼♭3┼┼┼┼┼┤
A ├┼♭5┼┼┼┼♭7┼┼┼┼┼┤
E └1┴┴┴♭3┴┴┴┴┴┴┴┘
Minor 3rd
e ┌┬┬┐
B ├┼♭7┼┤
G ├┼♭5┼┤
D ├1┼┼┤
A ├┼┼┤
E └┴♭3┴┘
e ┌┬┬┬┬┬┬┬♭7┬┬1┬┐
B ├┼┼┼┼┼♭3┼┼┼♭5┼┼┤
G ├┼┼┼┼♭7┼┼1┼┼┼┼┤
D ├┼┼♭3┼┼┼♭5┼┼┼┼┼┤
A ├┼┼♭7┼┼1┼┼┼┼┼┼┤
E └♭3┴┴┴♭5┴┴┴┴┴┴┴┘
Diminished 5th
e ┌┬┬┐
B ├1┼┼┤
G ├┼┼♭7┤
D ├♭3┼┼┤
A ├┼┼┤
E └┴♭5┴┘
e ┌┬┬┬┬┬┬1┬┬┬♭3┬┐
B ├┼┼┼┼┼♭5┼┼┼┼♭7┼┤
G ├┼┼┼1┼┼┼♭3┼┼┼┼┤
D ├┼┼♭5┼┼┼┼♭7┼┼┼┼┤
A ├┼1┼┼┼♭3┼┼┼┼┼┼┤
E └♭5┴┴┴┴♭7┴┴┴┴┴┴┘
Minor 7th
e ┌┬┬┐
B ├♭3┼┼┤
G ├┼1┼┤
D ├♭5┼┼┤
A ├┼┼┤
E └┴┴♭7┘
e ┌┬┬┬┬┬♭3┬┬┬♭5┬┬┐
B ├┼┼┼┼┼♭7┼┼1┼┼┼┤
G ├┼┼♭3┼┼┼♭5┼┼┼┼┼┤
D ├┼┼♭7┼┼1┼┼┼┼┼┼┤
A ├♭3┼┼┼♭5┼┼┼┼┼┼┼┤
E └♭7┴┴1┴┴┴┴┴┴┴┴┘
Root
e ┌┬┬┐
B ├♭5┼┼┤
G ├┼♭3┼┤
D ├𝄫7┼┼┤
A ├┼┼┤
E └┴1┴┘
e ┌┬┬┬┬┬┬♭5┬┬┬𝄫7┐
B ├┼┼┼┼┼1┼┼┼♭3┼┤
G ├┼┼┼♭5┼┼┼𝄫7┼┼┼┤
D ├┼┼1┼┼┼♭3┼┼┼┼┤
A ├┼♭5┼┼┼𝄫7┼┼┼┼┼┤
E └1┴┴┴♭3┴┴┴┴┴┴┘
Minor 3rd
e ┌┬┬┐
B ├𝄫7┼┼┤
G ├┼♭5┼┤
D ├1┼┼┤
A ├┼┼┤
E └┴♭3┴┘
e ┌┬┬┬┬┬┬𝄫7┬┬┬1┐
B ├┼┼┼┼┼♭3┼┼┼♭5┼┤
G ├┼┼┼𝄫7┼┼┼1┼┼┼┤
D ├┼┼♭3┼┼┼♭5┼┼┼┼┤
A ├┼𝄫7┼┼┼1┼┼┼┼┼┤
E └♭3┴┴┴♭5┴┴┴┴┴┴┘
Diminished 5th
e ┌┬┬┐
B ├1┼┼┤
G ├┼𝄫7┼┤
D ├♭3┼┼┤
A ├┼┼┤
E └┴♭5┴┘
e ┌┬┬┬┬┬┬1┬┬┬♭3┐
B ├┼┼┼┼┼♭5┼┼┼𝄫7┼┤
G ├┼┼┼1┼┼┼♭3┼┼┼┤
D ├┼┼♭5┼┼┼𝄫7┼┼┼┼┤
A ├┼1┼┼┼♭3┼┼┼┼┼┤
E └♭5┴┴┴𝄫7┴┴┴┴┴┴┘
Major 6th
e ┌┬┬┐
B ├♭3┼┼┤
G ├┼1┼┤
D ├♭5┼┼┤
A ├┼┼┤
E └┴𝄫7┴┘
e ┌┬┬┬┬┬┬♭3┬┬┬♭5┐
B ├┼┼┼┼┼𝄫7┼┼┼1┼┤
G ├┼┼┼♭3┼┼┼♭5┼┼┼┤
D ├┼┼𝄫7┼┼┼1┼┼┼┼┤
A ├┼♭3┼┼┼♭5┼┼┼┼┼┤
E └𝄫7┴┴┴1┴┴┴┴┴┴┘
About
Welcome to String Codex — a simple and practical tool designed for musicians, students, producers, and music theory enthusiasts.
This project was developed by Mattia Corvaglia, with the idea of creating a lightweight and accessible reference tool that musicians can use every day — both for learning and for practical musical workflows.
Thanks for visiting, and enjoy exploring music theory.