C#7#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
1–4–1–2
Notation for C#7#9 chord
Other names: C# 7th sharp 9, C# Hendrix chord
Music theory name: seventh sharp nine chord
Common name: C# Hendrix chord
Intervals and tones in C#7#9 chord
| Note | Interval |
|---|---|
| C# | Root |
| F | Major 3rd |
| Ab | Perfect 5th |
| H | Minor 7th |
| E | Augmented 9th |
All Variations
Open
1–4–1–2
Fret 4
4–5–4–7
Fret 7
9–8–7–8
Fret 7
10–8–7–7