Bb7#9 Ukulele Chord
A raw, urgent sound containing both a major third and a minor third (augmented ninth = minor third). Made famous by Jimi Hendrix in "Purple Haze". A staple of blues-rock and funk.
Strings
1–2–1–4
Other names for the Bb7#9 chord
Other names: Bb 7th sharp 9, Bb Hendrix chord
Music theory name: seventh sharp nine chord
Common name: Bb Hendrix chord
Notes and intervals in the Bb7#9 chord
| Note | Interval |
|---|---|
| Bb | Root |
| D | Major 3rd |
| F | Perfect 5th |
| Ab | Minor 7th |
| C# | Augmented 9th |
All variations
Open
1–2–1–4
Fret 4
6–5–4–5
Fret 4
7–5–4–4
Fret 7
7–8–9–8