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A Maj7#9 · Displayed in: A · Major seventh with sharp ninth · Tones: A, C#, E, G#, B# · Aliases: Maj7#9, M7#9, Δ7#9
A · Chord
A Maj7#9
A Maj7#9 · Displayed in: A · Major seventh with sharp ninth · Tones: A, C#, E, G#, B# · Aliases: Maj7#9, M7#9, Δ7#9
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Chord and Scale
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How to use this page
- Chord and Scale
- Tones: 5
- Relations
Example
A Maj7#9: A, C#, E, G#, B#
A Maj7#9 · Chord · A · 5 Tones
Network of this chord or scale with contain / contained-in relations.
Type key + scale (e.g. C Major, F Dorian)
A Maj7#9
Public
Chord
• 1,3,1,3,4 • 5 tones
Chord and Scale
Matches
Description / Aliases
Major seventh with sharp ninth
Aliases
Maj7#9
M7#9
Δ7#9
Generic fingering match
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Tones
Selected relation
Current
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Note: A
Interval: 1
Degree: 1
MIDI: 57
Hz: 698.46
Relations
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Note: C#
Interval: 3
Degree: 2
MIDI: 61
Hz: 415.31
Relations
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Note: E
Interval: 5
Degree: 3
MIDI: 64
Hz: 523.25
Relations
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Note: G#
Interval: 7
Degree: 4
MIDI: 68
Hz: 622.25
Relations
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Note: B#
Interval: #9
Degree: 5
MIDI: 72
Hz: 783.99
Relations
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Relations
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Network of this chord or scale with contain / contained-in relations.
Consonance heuristic
Mildly consonant
Set: 0, 1, 4, 5, 8
Vector: [2, 0, 2, 4, 2, 0]
Score: 0.80
open / fifth-supported
This set has 5 pitch classes, 2 close/tritone pressure points and 8 consonant-support intervals; average heuristic score: 0.80.
| Interval | Count | Weight | Contribution |
|---|---|---|---|
| m2 / M7 | 2 | -5 | -10 |
| M2 / m7 | 0 | -2 | 0 |
| m3 / M6 | 2 | +2 | +4 |
| M3 / m6 | 4 | +2 | +8 |
| P4 / P5 | 2 | +3 | +6 |
| Tritone | 0 | -4 | 0 |
Consonance graph
Bridge candidates
2363 candidates
| Target | Shared tones | Pivot | Voice-leading | Δ consonance | Bridge score |
|---|---|---|---|---|---|
|
C# Maj7#9
Chord
Smooth pivot
|
A, 1, C#, 8 | A, 1, C#, 8 | 0.20 | 0.00 | 4.37 |
|
C# Maj7b13
Chord
Smooth pivot
|
A, 1, 8, 9 | A, 1, 8, 9 | 0.20 | 0.00 | 4.37 |
|
F Maj7#9
Chord
Smooth pivot
|
A, C#, 8, 9 | A, C#, 8, 9 | 0.20 | 0.00 | 4.37 |
|
F Maj7b13
Chord
Smooth pivot
|
A, 1, C#, 9 | A, 1, C#, 9 | 0.20 | 0.00 | 4.37 |
|
A Maj7b13
Chord
Smooth pivot
|
1, C#, 8, 9 | 1, C#, 8, 9 | 0.20 | 0.00 | 4.37 |
|
A Maj9
Chord
Smooth pivot
|
1, C#, 8, 9 | 1, C#, 8, 9 | 0.20 | 0.00 | 4.37 |
|
F# m9
Chord
Smooth pivot
|
1, C#, 8, 9 | 1, C#, 8, 9 | 0.30 | 0.00 | 4.32 |
|
A Maj7add13
Chord
Smooth pivot
|
1, C#, 8, 9 | 1, C#, 8, 9 | 0.30 | 0.00 | 4.32 |
|
C# mMaj7
Chord
Smooth pivot
|
A, 1, C#, 8 | A, 1, C#, 8 | 0.10 | 0.20 | 4.14 |
|
C# mMaj7#5
Chord
Smooth pivot
|
A, 1, C#, 9 | A, 1, C#, 9 | 0.10 | 0.20 | 4.14 |
|
A mMaj7
Chord
Smooth pivot
|
A, C#, 8, 9 | A, C#, 8, 9 | 0.10 | 0.20 | 4.14 |
|
A 7#9
Chord
Smooth pivot
|
A, 1, C#, 9 | A, 1, C#, 9 | 0.20 | 0.30 | 3.96 |