Abmaj9 chord (A flat major ninth) on guitar
Abmaj9 (A flat major ninth) has five notes: A flat, C, E flat, G and B flat. Its formula is 1, 3, 5, 7, 9. In major keys, Abmaj9 is the Imaj9 chord in Ab major and the IVmaj9 in Eb major.
Abmaj9 chord shapes
Finger 1 barres fret 1, then 4 on E, 3 on e.
Finger 1 barres fret 3, then 2 on E, 4 on D, 3 on B.
Finger 1 barres fret 3, then 2 on E, 4 on D, 3 on B, 3 on e.
Finger 1 barres fret 4, then 3 on A, 2 on D, 2 on G, 4 on e.
Fingers: 4 on E, 1 on A, 2 on D, 3 on B.
Finger 1 barres fret 8, then 4 on A.
Hear it and see every shape in ScaleSpace →
| Symbol | Abmaj9 |
|---|---|
| Also written | AbM9, AbΔ9 |
| Notes | Ab C Eb G Bb |
| Formula | 1 3 5 7 9 |
| Intervals | root, major third, perfect fifth, major seventh, major second |
| Type | Major ninth chord |
Abmaj9 across the neck
Guitar · 6-string, tuned low to high: E, A, D, G, B, e. 24 frets.
- E string: fret 3 G (7), fret 4 Ab (1), fret 6 Bb (9), fret 8 C (3), fret 11 Eb (5), fret 15 G (7), fret 16 Ab (1), fret 18 Bb (9), fret 20 C (3), fret 23 Eb (5).
- A string: fret 1 Bb (9), fret 3 C (3), fret 6 Eb (5), fret 10 G (7), fret 11 Ab (1), fret 13 Bb (9), fret 15 C (3), fret 18 Eb (5), fret 22 G (7), fret 23 Ab (1).
- D string: fret 1 Eb (5), fret 5 G (7), fret 6 Ab (1), fret 8 Bb (9), fret 10 C (3), fret 13 Eb (5), fret 17 G (7), fret 18 Ab (1), fret 20 Bb (9), fret 22 C (3).
- G string: fret 0 G (7), fret 1 Ab (1), fret 3 Bb (9), fret 5 C (3), fret 8 Eb (5), fret 12 G (7), fret 13 Ab (1), fret 15 Bb (9), fret 17 C (3), fret 20 Eb (5), fret 24 G (7).
- B string: fret 1 C (3), fret 4 Eb (5), fret 8 G (7), fret 9 Ab (1), fret 11 Bb (9), fret 13 C (3), fret 16 Eb (5), fret 20 G (7), fret 21 Ab (1), fret 23 Bb (9).
- e string: fret 3 G (7), fret 4 Ab (1), fret 6 Bb (9), fret 8 C (3), fret 11 Eb (5), fret 15 G (7), fret 16 Ab (1), fret 18 Bb (9), fret 20 C (3), fret 23 Eb (5).
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Questions
What notes are in the Abmaj9 chord?
Abmaj9 (A flat major ninth) has five notes: A flat, C, E flat, G and B flat. Its formula is 1, 3, 5, 7, 9. Ab is the root, C is the major third, Eb is the perfect fifth, G is the major seventh and Bb is the major second.
How do you play Abmaj9 on guitar?
The easiest shape is 411113. Finger 1 barres fret 1, then 4 on E, 3 on e.
What key is Abmaj9 in?
In major keys, Abmaj9 is the Imaj9 chord in Ab major and the IVmaj9 in Eb major. It is diatonic to those keys, so it fits songs in any of them.
What is the difference between Abmaj9 and Abmaj7?
Abmaj9 is Abmaj7 (Ab, C, Eb and G) with Bb, the 9th, added.