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C7b9#5 Ukulele Chord

An intensely tense altered chord combining an augmented fifth with a flat ninth. Used in jazz for dramatic resolution, typically to a minor chord a fourth up.

Ukulele

Strings 1–1–0–1

How to play the C7b9#5 chord on ukulele

Read the string pattern 1–1–0–1 from the G string to the A string. Numbers in the pattern are frets; numbers in the colored dots are left-hand fingers. 0 means an open string and X means a muted string.

4th string (G) Fret 1 · index finger
3rd string (C) Fret 1 · middle finger
2nd string (E) Open
1st string (A) Fret 1 · ring finger

Other names for the C7b9#5 chord

Other names: C 7th flat 9 sharp 5

Music theory name: seventh flat nine augmented fifth chord

Common name: C 7b9#5 chord

Notes and intervals in the C7b9#5 chord

Note Interval
C Root
E Major 3rd
G# Augmented 5th
Bb Minor 7th
Db Minor 9th

All variations

Open
1–1–0–1
Open
3–4–4–4
Fret 6
6–8–6–7
Fret 9
9–10–9–11

More chords with C as the root

The same chord type in other keys