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F#9b5 Piano 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.

Piano

Recommended voicing
Left hand F#2 · E3 fingers 5–1
Right hand C4 · G#4 · A#4 fingers 1–4–5

How to play the F#9b5 chord on piano

Split the recommended voicing between the hands: play F#2 and E3 with the left hand and C4, G#4 and A#4 with the right. Suggested fingering is 5–1 on the left and 1–4–5 on the right (1 is the thumb).

Other names for the F#9b5 chord

Other names: F# 9th flat 5

Music theory name: ninth flat five chord

Common name: F# 9b5 chord

Notes and intervals in the F#9b5 chord

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

More chords with F# as the root

The same chord type in other keys