# A dominant 7th sharp 9th Guitar Chord

> The A dominant 7th sharp 9th dominant 7th sharp 9th chord introduces a sharp ninth B♯, creating a bluesy, expressive tension. The clash between the major third C♯ and sharp ninth B♯ gives it a powerful, gritty sound used in jazz, funk, and rock. With B♯ in the bass, this voicing functions as the 4th inversion of A dominant 7th sharp 9th.

Source: https://guitarwiz.app/chords/a-dominant-7th-sharp-9th/b-sharp

## Chord Facts

- Symbol: A7♯9
- Notes: A, C♯, E, G, B♯
- Intervals: 1 (A), 3 (C♯), 5 (E), ♭7 (G), ♯9 (B♯)
- Mood: funky, bluesy, edgy, aggressive
- Genres: Blues, Funk, Jazz Fusion, Rock
- Playable shapes: 20

## Quick Shapes

- Shape 1: -1 3 2 2 2 3 (https://guitarwiz.app/chords/a-dominant-7th-sharp-9th/b-sharp/x32223)
- Shape 2: 8 0 7 6 8 0 (https://guitarwiz.app/chords/a-dominant-7th-sharp-9th/b-sharp/807680)
- Shape 3: 8 7 7 6 8 0 (https://guitarwiz.app/chords/a-dominant-7th-sharp-9th/b-sharp/877680)
- Shape 4: 8 7 7 6 8 8 (https://guitarwiz.app/chords/a-dominant-7th-sharp-9th/b-sharp/877688)
- Shape 5: -1 3 5 6 5 5 (https://guitarwiz.app/chords/a-dominant-7th-sharp-9th/b-sharp/x35655)
- Shape 6: 8 0 5 6 5 5 (https://guitarwiz.app/chords/a-dominant-7th-sharp-9th/b-sharp/805655)
- Shape 7: 8 7 5 6 5 5 (https://guitarwiz.app/chords/a-dominant-7th-sharp-9th/b-sharp/875655)
- Shape 8: 8 0 5 6 8 0 (https://guitarwiz.app/chords/a-dominant-7th-sharp-9th/b-sharp/805680)

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