G♭ 7♭9
Also known as F♯ 7♭9
Same keys, different spelling.
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Listen plays the chord. Play Along lights up each note in order so you can follow.
G♭7♭9
G♭ – B♭ – D♭ – F♭ – A♭♭
Formula:R-M3-P5-m7-m9
Intervals:P1-M3-P5-m7-m9
Scale Degrees:1-3-5-b7-b9
Introduction
The G♭ 7♭9 chord is a five-note chord made up of G♭, B♭, D♭, F♭, and A♭♭. It is built from a root, major third, perfect fifth, minor seventh, and minor ninth.
Notes
Key Signature
The key of Gb 7♭9 has 6 flats.
B♭E♭A♭D♭G♭C♭
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.
B♭E♭A♭D♭G♭C♭F♭
Mnemonic: Battle Ends And Down Goes Charles’ Father
Chords in the Key of G♭ Major
These are the diatonic triads built on each degree of the G♭ major scale:
C
D
E
F
G
A
B
C
D
E
F
G
A
B
I — G♭ Major (major)
Theory: Intervals
Formula: R-M3-P5-m7-m9
Intervals: P1-M3-P5-m7-m9
The G♭ 7♭9 is built by stacking intervals from the root note. The formula R-M3-P5-m7-m9 describes the scale degrees used. The intervals P1-M3-P5-m7-m9 show the distance between each note in the chord.
G♭ 7♭9 — Frequently Asked Questions
What notes are in the Gb 7♭9 chord?
The Gb 7♭9 chord (Gb7♭9) contains 5 notes: Gb, Bb, Db, E, G. Formula: R-M3-P5-m7-m9.
How is Gb7♭9 used in music?
Gb7♭9 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 Gb7♭9?
Gb7♭9 uses scale degrees 1-3-5-b7-b9, giving it its distinctive sound.
Practice Tips
- Start by placing your thumb on Gb and spacing remaining fingers across the chord.
- Practice Gb7♭9 slowly with separate hands before combining.
- Listen carefully to the tension created by the altered tones in this chord.
- Try voicing Gb7♭9 in different octaves to find the most comfortable position.
- Resolve Gb7♭9 to a nearby chord to hear its function in context.
Related Tools
Chord FinderLook up any chord — see the notes, hear it, and play along.Chord DrillTimed drills to build speed and recognition across all chord types.Practice RoomPlug in a MIDI keyboard and get real-time feedback on every chord and scale.Circle of FifthsVisualize key relationships, relative minors, and key signatures.MIDI MonitorLive MIDI message stream with note names, velocity, and a scrolling staff.