Ab · Chord
Ab Maj7
Ab Maj7 · Displayed in: Ab · Major seventh chord · Tones: Ab, C, Eb, G · Aliases: Maj7, M7, Ma7
Ab Maj7
Public
Chord
• 1,4,3,4 • 4 tones
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Chord and Scale
Matches
Description / Aliases
Major seventh chord
Aliases
Maj7
M7
Ma7
Δ7
Generic fingering match
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Harmonies using this scale
4
Theory – Circle of Fourths – Maj7
Root: C
· Events: 12
Open harmony
Theory – Circle of Fifths – Maj7
Root: C
· Events: 12
Open harmony
Session Standard – Giant Steps (Coltrane Changes)
Root: B
· Events: 6
Lead
Open harmony
Session Standard – Spain (Chick Corea Intro)
Root: G
· Events: 8
Lead
Open harmony
Tones
Selected relation
Current
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Note: Ab
Interval: 1
Degree: 1
MIDI: 56
Hz: 698.46
Relations
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Note: C
Interval: 3
Degree: 2
MIDI: 60
Hz: 415.31
Relations
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Note: Eb
Interval: 5
Degree: 3
MIDI: 63
Hz: 523.25
Relations
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Note: G
Interval: 7
Degree: 4
MIDI: 67
Hz: 622.25
Relations
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Relations
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Network of this chord or scale with contain / contained-in relations.
Consonance heuristic
Consonant
Set: 0, 1, 5, 8
Vector: [1, 0, 1, 2, 2, 0]
Score: 1.17
open / fifth-supported
This set has 4 pitch classes, 1 close/tritone pressure points and 5 consonant-support intervals; average heuristic score: 1.17.
| Interval | Count | Weight | Contribution |
|---|---|---|---|
| m2 / M7 | 1 | -5 | -5 |
| M2 / m7 | 0 | -2 | 0 |
| m3 / M6 | 1 | +2 | +2 |
| M3 / m6 | 2 | +2 | +4 |
| P4 / P5 | 2 | +3 | +6 |
| Tritone | 0 | -4 | 0 |
Consonance graph
Bridge candidates
2410 candidates
| Target | Shared tones | Pivot | Voice-leading | Δ consonance | Bridge score |
|---|---|---|---|---|---|
|
Ab Maj7#9
Chord
Smooth pivot
|
Ab, 3, Eb, 8 | Ab, 3, Eb, 8 | 0.10 | 0.37 | 3.91 |
|
Ab Maj7b13
Chord
Smooth pivot
|
Ab, 3, Eb, 8 | Ab, 3, Eb, 8 | 0.10 | 0.37 | 3.91 |
|
F m9
Chord
Smooth pivot
|
Ab, 3, Eb, 8 | Ab, 3, Eb, 8 | 0.20 | 0.37 | 3.87 |
|
Ab Maj13
Chord
Smooth pivot
|
Ab, 3, Eb, 8 | Ab, 3, Eb, 8 | 0.20 | 0.37 | 3.87 |
|
Ab Maj7add13
Chord
Smooth pivot
|
Ab, 3, Eb, 8 | Ab, 3, Eb, 8 | 0.20 | 0.37 | 3.87 |
|
Ab Maj9
Chord
Smooth pivot
|
Ab, 3, Eb, 8 | Ab, 3, Eb, 8 | 0.20 | 0.37 | 3.87 |
|
C mMaj7
Chord
Smooth pivot
|
Ab, 3, Eb | Ab, 3, Eb | 0.25 | 0.17 | 3.42 |
|
C mMaj7#5
Chord
Smooth pivot
|
Ab, 3, 8 | Ab, 3, 8 | 0.25 | 0.17 | 3.42 |
|
E Augmented
Scale
Smooth pivot
|
Ab, 3, 8 | Ab, 3, 8 | 0.25 | 0.17 | 3.42 |
|
E Maj7#5
Chord
Smooth pivot
|
Ab, 3, 8 | Ab, 3, 8 | 0.25 | 0.17 | 3.42 |
|
E mMaj7#5
Chord
Smooth pivot
|
Ab, 3, Eb | Ab, 3, Eb | 0.25 | 0.17 | 3.42 |
|
Ab Augmented
Scale
Smooth pivot
|
Ab, Eb, 8 | Ab, Eb, 8 | 0.25 | 0.17 | 3.42 |
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