# A9 Guitar Chord

> The A9 dominant 9 chord enriches the dominant 7th by adding a major ninth B, enhancing its tension with a colorful, jazzy flair. This extended harmony adds sophistication, frequently used in jazz, blues, and funk for dynamic progressions. With B in the bass, this voicing functions as the 4th inversion of A9.

Source: https://guitarwiz.app/chords/a9/b

## Chord Facts

- Symbol: A9
- Notes: A, C♯, E, G, B
- Intervals: 1 (A), 3 (C♯), 5 (E), ♭7 (G), 9 (B)
- Mood: jazzy, rich, sophisticated, lush
- Genres: Jazz, Funk, Soul, Fusion
- Playable shapes: 39

## Quick Shapes

- Shape 1: -1 2 2 2 2 3 (https://guitarwiz.app/chords/a9/b/x22223)
- Shape 2: 7 0 5 6 5 5 (https://guitarwiz.app/chords/a9/b/705655)
- Shape 3: 7 7 5 6 5 5 (https://guitarwiz.app/chords/a9/b/775655)
- Shape 4: 7 0 5 6 5 0 (https://guitarwiz.app/chords/a9/b/705650)
- Shape 5: 7 0 5 6 0 0 (https://guitarwiz.app/chords/a9/b/705600)
- Shape 6: 7 0 5 6 5 7 (https://guitarwiz.app/chords/a9/b/705657)
- Shape 7: 7 7 7 6 8 0 (https://guitarwiz.app/chords/a9/b/777680)
- Shape 8: 7 7 7 0 0 9 (https://guitarwiz.app/chords/a9/b/777009)

## Related Articles

- https://guitarwiz.app/articles/how-to-read-guitar-chord-diagrams
- https://guitarwiz.app/articles/chord-construction-guitar
- https://guitarwiz.app/articles/chord-inversions-guitar
- https://guitarwiz.app/articles/extended-chords-guitar