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

A♭ 7♭9

Notes: A♭ – C – E♭ – G♭ – B♭♭
Degrees: 1 – 3 – 5 – ♭7 – ♭9
Also written: A♭7♭9Raise B♭♭ to B♭ and it is A♭9. A♭, C, E♭ and G♭ do not move.
G♯ 7♭9
This is the same chord as G♯ 7♭9: the same keys on the keyboard, spelled with sharps.

Construction

A♭ 7♭9 = Root + Major 3rd + Perfect 5th + Minor 7th + Minor 2nd = A♭, C, E♭, G♭, B♭♭
NoteIntervalDegree
A♭Root1
CMajor 3rd3
E♭Perfect 5th5
G♭Minor 7th♭7
B♭♭Minor 2nd♭9

How to Play the A♭ 7♭9

Right Hand (RH)

Place your right hand over the keys with the thumb on the root. Use the fingering: 1 – 2 – 3 – 4 – 5

Left Hand (LH)

For the left hand, start with your pinky on the root. Use the fingering: 5 – 4 – 3 – 2 – 1

A♭ 7♭9 : Frequently Asked Questions

What is the A♭ 7♭9 chord on piano?
The A♭ 7♭9 chord contains the notes A♭ – C – E♭ – G♭ – B♭♭. On piano, play these notes together to sound the chord.
What notes are in the Ab 7♭9 chord?
The Ab 7♭9 chord (Ab7♭9) contains 5 notes: Ab, C, Eb, Gb, A. Formula: R-M3-P5-m7-m9.
How is Ab7♭9 used in music?
Ab7♭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 Ab7♭9?
Ab7♭9 uses scale degrees 1-3-5-b7-b9, giving it its distinctive sound.

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