Db 7sus4

Db 7sus4 Public

Chord • 2,3,2,5 • 4 tones

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Chord and Scale

System

Key + Scale

Bass

Type

Description / Aliases

Dominant seventh suspended fourth

Aliases

7sus4 7sus

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Note: Db Interval: 1 Degree: 1 MIDI: 49 Hz: 466.16

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Note: Gb Interval: 4 Degree: 2 MIDI: 54 Hz: 622.25

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Note: Ab Interval: 5 Degree: 3 MIDI: 56 Hz: 698.46

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Note: Cb Interval: b7 Degree: 4 MIDI: 59 Hz: 415.31

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Network of this chord or scale with contain / contained-in relations.

Consonance heuristic Consonant

Set: 0, 2, 5, 7 Vector: [0, 2, 1, 0, 3, 0] Score: 1.17 open / fifth-supported 12-tone circle 2 · r 0.2989

This set has 4 pitch classes, 0 close/tritone pressure points and 4 consonant-support intervals; average heuristic score: 1.17. It matches chromatic-intersection circle 2.

Interval	Count	Weight	Contribution
m2 / M7	0	-5	0
M2 / m7	2	-2	-4
m3 / M6	1	+2	+2
M3 / m6	0	+2	0
P4 / P5	3	+3	+9
Tritone	0	-4	0

Consonance graph

Bridge candidates 2051 candidates

Target	Shared tones	Pivot	Voice-leading	Δ consonance	Bridge score
E 11 Chord Tension lift	6, 8, 11	6, 8, 11	0.46	0.83	1.43
E sus2 Chord Chromatic slide	6, 11	6, 11	0.83	0.17	1.43
Gb quartal Chord Chromatic slide	6, 11	6, 11	0.83	0.17	1.43
Gb Quartal Scale Chromatic slide	6, 11	6, 11	0.83	0.17	1.43
Ab 11 Chord Tension lift	1, 6, 8	1, 6, 8	0.46	0.83	1.43
Ab sus4 Chord Chromatic slide	1, 8	1, 8	0.83	0.17	1.43
Cb Minor Hexatonic Scale Tension lift	6, 8, 11	6, 8, 11	0.46	0.83	1.43
Cb sus4 Chord Chromatic slide	6, 11	6, 11	0.83	0.17	1.43
Gb Minor Hexatonic Scale Tension lift	1, 6, 11	1, 6, 11	0.54	0.83	1.40
Cb 11 Chord Tension lift	1, 6, 11	1, 6, 11	0.54	0.83	1.40
G Maj7b5 Chord Smooth pivot	1, 6, 11	1, 6, 11	0.25	1.67	1.39
D Maj7b5 Chord Smooth pivot	1, 6, 8	1, 6, 8	0.38	1.67	1.34

Db 7sus4

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Db 7sus4

Start with a clear learning action

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1. Db 1 Degree 1

2. Gb 4 Degree 2

3. Ab 5 Degree 3

4. Cb b7 Degree 4

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