Chord

A♭ Minor 9 Chord

A♭C♭E♭G♭B♭
View on: Theory PianoGuitarUkuleleMandolin

Interactive keyboard

Highlighted notes form this chord.

Notes

A♭ · C♭ · E♭ · G♭ · B♭

Root: A♭

Intervals

1 · ♭3 · 5 · ♭7 · 9

How it is built

This chord starts on A♭ and applies the intervals 1, ♭3, 5, ♭7, 9. The result contains 5 distinct pitch classes per octave.

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Guide and musical context

About A♭ Minor 9 Chord

A♭ Minor 9 Chord contains A♭, C♭, E♭, G♭, B♭. Its sound is deep, smooth and spacious.

Character and sound

Deep, smooth and spacious.

Musical context and history

The minor ninth extends m7 with a ninth and is a standard sound in jazz, soul, R&B and modern keyboard and guitar harmony.

How and where it is used

It can act as ii, a minor tonic or a sustained modal chord.

In Theory view you can hear the pitch collection without depending on a specific fingering. Then switch to Piano, Guitar, Ukulele or Mandolin to see how the same notes are physically distributed on each instrument.

Harmonic and musical relationships

The A♭ minor harmony can be compared with its parallel major, which keeps the same root, and its relative major at B. The dominant a fifth above, E♭, is another important reference.

The formula on this page is 1 · ♭3 · 5 · ♭7 · 9 and, from A♭, produces the notes A♭ · C♭ · E♭ · G♭ · B♭.

Frequently asked questions

What notes are in the A♭ Minor 9 Chord?

The notes are A♭, C♭, E♭, G♭, B♭.

What is its interval formula?

The formula is 1 · ♭3 · 5 · ♭7 · 9.

How does it sound and what is it used for?

Deep, smooth and spacious. It can act as ii, a minor tonic or a sustained modal chord.

Can I view it on a specific instrument?

Yes. Use the selector near the top to switch between Piano, Guitar, Ukulele and Mandolin without changing the musical combination you are studying.