# 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 C♯ in the bass, this voicing functions as the 1st inversion of A dominant 7th sharp 9th.

Source: https://guitarwiz.app/chords/a-dominant-7th-sharp-9th/c-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: 30

## Quick Shapes

- Shape 1: 9 7 7 0 8 8 (https://guitarwiz.app/chords/a-dominant-7th-sharp-9th/c-sharp/977088)
- Shape 2: 9 7 7 9 8 8 (https://guitarwiz.app/chords/a-dominant-7th-sharp-9th/c-sharp/977988)
- Shape 3: 9 0 7 9 8 8 (https://guitarwiz.app/chords/a-dominant-7th-sharp-9th/c-sharp/907988)
- Shape 4: 9 10 10 9 10 9 (https://guitarwiz.app/chords/a-dominant-7th-sharp-9th/c-sharp/9aa9a9)
- Shape 5: 9 0 10 0 8 0 (https://guitarwiz.app/chords/a-dominant-7th-sharp-9th/c-sharp/90a080)
- Shape 6: 9 0 10 0 10 0 (https://guitarwiz.app/chords/a-dominant-7th-sharp-9th/c-sharp/90a0a0)
- Shape 7: 9 10 10 0 10 0 (https://guitarwiz.app/chords/a-dominant-7th-sharp-9th/c-sharp/9aa0a0)
- Shape 8: 9 10 10 9 10 0 (https://guitarwiz.app/chords/a-dominant-7th-sharp-9th/c-sharp/9aa9a0)

## 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/seventh-chords-guitar