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A piano reference: chords, scales, theory. Full MIDI.

G♭ 13sus4

Notes: G♭ – C♭ – D♭ – F♭ – A♭ – E♭
Degrees: 1 – 4 – 5 – ♭7 – 9 – 13Also written: G♭13sus4

The G♭ 13sus4 chord is a six-note chord made up of G♭, C♭, D♭, F♭, A♭, and E♭.

G♭ 13sus4 chord: G♭, C♭, D♭, F♭, A♭, E♭

It is built from a root, perfect fourth, perfect fifth, minor seventh, major ninth, and major thirteenth.

A dominant 13th with the 3rd replaced by the 4th: open and modal, common in spiritual jazz.

F♯ 13sus4
This is the same chord as F♯ 13sus4: the same keys on the keyboard, spelled with sharps.

Construction

G♭ 13sus4 = Root + Perfect 4th + Perfect 5th + Minor 7th + Major 2nd + Major 6th = G♭, C♭, D♭, F♭, A♭, E♭
NoteIntervalDegree
G♭Root1
C♭Perfect 4th11
D♭Perfect 5th5
F♭Minor 7th♭7
A♭Major 2nd9
E♭Major 6th13

Same Notes, Other Names

The notes G♭ – C♭ – D♭ – F♭ – A♭ – E♭ aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell:

G♭ 13sus4 : Frequently Asked Questions

What is the G♭ 13sus4 chord on piano?
The G♭ 13sus4 chord contains the notes G♭ – C♭ – D♭ – F♭ – A♭ – E♭. On piano, play these notes together to sound the chord.
What notes are in the Gb 13sus4 chord?
The Gb 13sus4 chord (Gb13sus4) contains 6 notes: Gb, B, Db, E, Ab, Eb. Formula: R-P4-P5-m7-M9-M13.
How is Gb13sus4 used in music?
Gb13sus4 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 Gb13sus4?
Gb13sus4 uses scale degrees 1-4-5-b7-9-13, giving it its distinctive sound.

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