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D♭ 13sus4

Also known as C♯ 13sus4
Same keys, different spelling.
Open C♯ 13sus4Same chord, spelled with sharpsWhat are enharmonics? →Why one chord has two names
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Listen plays the chord. Play Along lights up each note in order so you can follow.

D♭13sus4
D♭ – G♭ – A♭ – C♭ – E♭ – B♭
Formula:R-P4-P5-m7-M9-M13
Intervals:P1-P4-P5-m7-M9-M13
Scale Degrees:1-4-5-b7-9-13

Introduction

Db 13sus4 piano chord, root position — Db, Gb, Ab, B, Eb, Bb
The Db 13sus4 chord in root position on a piano keyboard, notes Db, Gb, Ab, B, Eb, Bb.

The D♭ 13sus4 chord is a six-note chord made up of D♭, G♭, A♭, C♭, E♭, and B♭. It is built from a root, perfect fourth, perfect fifth, minor seventh, major ninth, and major thirteenth.

Notes

Notes:D♭ – G♭ – A♭ – C♭ – E♭ – B♭

Key Signature

The key of Db 13sus4 has 5 flats.

B♭E♭A♭D♭G♭

Order of flats

Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.

BEADGCF

Mnemonic: Battle Ends And Down Goes Charles’ Father

Chords in the Key of D♭ Major

These are the diatonic triads built on each degree of the D♭ major scale:

C
D
E
F
G
A
B
C
D
E
F
G
A
B
ID♭ Major (major)
DegreeNumeralChordQuality
1ID♭ MajorMajor
2iiE♭ MinorMinor
3iiiF MinorMinor
4IVG♭ MajorMajor
5VA♭ MajorMajor
6viB♭ MinorMinor
7vii°C DiminishedDiminished

Theory: Intervals

Formula: R-P4-P5-m7-M9-M13
Intervals: P1-P4-P5-m7-M9-M13

The D♭ 13sus4 is built by stacking intervals from the root note. The formula R-P4-P5-m7-M9-M13 describes the scale degrees used. The intervals P1-P4-P5-m7-M9-M13 show the distance between each note in the chord.

D♭ 13sus4 — Frequently Asked Questions

What notes are in the Db 13sus4 chord?
The Db 13sus4 chord (Db13sus4) contains 6 notes: Db, Gb, Ab, B, Eb, Bb. Formula: R-P4-P5-m7-M9-M13.
How is Db13sus4 used in music?
Db13sus4 is used in jazz, fusion, and contemporary music to add harmonic color. It appears as a dominant or tonic chord depending on context.
What is the scale degree formula for Db13sus4?
Db13sus4 uses scale degrees 1-4-5-b7-9-13, giving it its distinctive sound.

Practice Tips

  • Start by placing your thumb on Db and spacing remaining fingers across the chord.
  • Practice Db13sus4 slowly with separate hands before combining.
  • Listen carefully to the tension created by the altered tones in this chord.
  • Try voicing Db13sus4 in different octaves to find the most comfortable position.
  • Resolve Db13sus4 to a nearby chord to hear its function in context.

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