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B9b5 Ukulele 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.

Ukulele

Strings 2–3–1–4

How to play the B9b5 chord on ukulele

Read the string pattern 2–3–1–4 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 2 · middle finger
3rd string (C) Fret 3 · ring finger
2nd string (E) Fret 1 · index finger
1st string (A) Fret 4 · pinky

Other names for the B9b5 chord

Other names: B 9th flat 5

Music theory name: ninth flat five chord

Common name: B 9b5 chord

Notes and intervals in the B9b5 chord

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

All variations

Open
2–3–1–4
Fret 5
6–5–5–6
Fret 8
8–9–9–8
Fret 10
10–13–11–12

More chords with B as the root

The same chord type in other keys