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G9b5 Guitar Chord

A tense jazz chord with a tritone. Often serves as a tritone substitution for the dominant. The fifth is already altered, so the perfect fifth is not played — the remaining notes are all included.

Guitar

Strings 3–2–3–2–2–3

How to play the G9b5 chord on guitar

Read the string pattern 3–2–3–2–2–3 from the low E string to the high E string. Numbers in the pattern are frets; numbers in the colored dots are left-hand fingers. X means a muted string and 0 means an open string.

6th string (low E) Fret 3 · middle finger
5th string (A) Fret 2 · index finger
4th string (D) Fret 3 · ring finger
3rd string (G) Fret 2 · index finger
2nd string (B) Fret 2 · index finger
1st string (high E) Fret 3 · little finger

Notation for G9b5 chord

Other names: G 9th flat 5

Music theory name: ninth flat five chord

Common name: G 9b5 chord

Intervals and tones in G9b5 chord

Note Interval
G Root
H Major 3rd
C# Diminished 5th
F Minor 7th
A Major 9th

All Variations

Open
3–2–3–2–2–3
Fret 3
3–4–3–4–0–5
Fret 9
X–10–9–10–10–9
Fret 11
X–12–11–0–0–13

More chords with G as the root

The same chord type in other keys