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 Augmented Scale Chromatic slide	8	-	1.13	0.17	0.30
E Maj7#5 Chord Chromatic slide	8	-	1.13	0.17	0.30
E mMaj7 Chord Chromatic slide	11	-	1.13	0.17	0.30
E sus4 Chord Chromatic slide	11	-	1.13	0.17	0.30
G 7b9#11 Chord Tension lift	1, 8, 11	1, 8, 11	0.38	1.70	0.30
Ab sus2 Chord Chromatic slide	8	-	1.13	0.17	0.30
A sus2 Chord Chromatic slide	11	-	1.13	0.17	0.30
Bb quartal Chord Chromatic slide	8	-	1.13	0.17	0.30
Bb Quartal Scale Chromatic slide	8	-	1.13	0.17	0.30
Cb quartal Chord Chromatic slide	11	-	1.13	0.17	0.30
Cb Quartal Scale Chromatic slide	11	-	1.13	0.17	0.30
Ab 9 Chord Tension lift	6, 8	6, 8	0.65	0.77	0.29

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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