Ab7 chord (A flat dominant seventh) on guitar
Ab7 (A flat dominant seventh) has four notes: A flat, C, E flat and G flat. Its formula is 1, 3, 5, b7. In major keys, Ab7 is the V7 chord in Db major.
Ab7 chord shapes
Finger 1 barres fret 1, then 4 on E, 3 on A, 2 on e.
Finger 1 barres fret 4, then 3 on A, 2 on G.
Finger 1 barres fret 4, then 3 on A, 2 on G, 4 on B.
Fingers: 1 on D, 3 on G, 2 on B, 4 on e.
Fingers: 2 on E, 1 on A, 3 on D, 4 on G.
Fingers: 2 on D, 1 on G, 3 on B, 4 on e.
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| Symbol | Ab7 |
|---|---|
| Also written | Abdom7 |
| Notes | Ab C Eb Gb |
| Formula | 1 3 5 b7 |
| Intervals | root, major third, perfect fifth, minor seventh |
| Type | Dominant seventh chord |
Ab7 across the neck
Guitar · 6-string, tuned low to high: E, A, D, G, B, e. 24 frets.
- E string: fret 2 Gb (flat 7), fret 4 Ab (1), fret 8 C (3), fret 11 Eb (5), fret 14 Gb (flat 7), fret 16 Ab (1), fret 20 C (3), fret 23 Eb (5).
- A string: fret 3 C (3), fret 6 Eb (5), fret 9 Gb (flat 7), fret 11 Ab (1), fret 15 C (3), fret 18 Eb (5), fret 21 Gb (flat 7), fret 23 Ab (1).
- D string: fret 1 Eb (5), fret 4 Gb (flat 7), fret 6 Ab (1), fret 10 C (3), fret 13 Eb (5), fret 16 Gb (flat 7), fret 18 Ab (1), fret 22 C (3).
- G string: fret 1 Ab (1), fret 5 C (3), fret 8 Eb (5), fret 11 Gb (flat 7), fret 13 Ab (1), fret 17 C (3), fret 20 Eb (5), fret 23 Gb (flat 7).
- B string: fret 1 C (3), fret 4 Eb (5), fret 7 Gb (flat 7), fret 9 Ab (1), fret 13 C (3), fret 16 Eb (5), fret 19 Gb (flat 7), fret 21 Ab (1).
- e string: fret 2 Gb (flat 7), fret 4 Ab (1), fret 8 C (3), fret 11 Eb (5), fret 14 Gb (flat 7), fret 16 Ab (1), fret 20 C (3), fret 23 Eb (5).
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Questions
What notes are in the Ab7 chord?
Ab7 (A flat dominant seventh) has four notes: A flat, C, E flat and G flat. Its formula is 1, 3, 5, b7. Ab is the root, C is the major third, Eb is the perfect fifth and Gb is the minor seventh.
How do you play Ab7 on guitar?
The easiest shape is 431112. Finger 1 barres fret 1, then 4 on E, 3 on A, 2 on e.
What key is Ab7 in?
In major keys, Ab7 is the V7 chord in Db major. It is diatonic to those keys, so it fits songs in any of them.
What is the difference between Ab7 and Ab?
Ab7 is Ab (Ab, C and Eb) with a flat 7th added: Gb.