I-IV-V foundation
This is the core major-key movement behind blues, rock, country, and pop progressions.
Guitar chord companion
Learn the Ab Add 9 chord on guitar with chord tones, intervals, and interactive fretboard shapes.
Start with these chord-box shapes, then use the full fretboard below to see every chord tone.
Low to high strings: 4 1 1 1 1 4
Low to high strings: 4 6 x 5 x 6
Low to high strings: 8 x 6 8 9 6
Low to high strings: x 11 10 8 11 8
Low to high strings: x 11 13 15 13 11
Every Ab Add 9 Chord chord tone across the neck, with roots highlighted for quick orientation.
Frets 0–24. Select a position or tap a note to hear it.
Try these progressions to hear the chord in context instead of treating it as an isolated shape.
This is the core major-key movement behind blues, rock, country, and pop progressions.
A familiar pop progression that balances a stable tonic with relative minor color.
| Degree | Interval | Note |
|---|---|---|
| 1 | R | Ab |
| 3 | 3 | C |
| 5 | 5 | Eb |
| 9 | 2 | Bb |
R – 3 – 5 – 2