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Ab7b5 Piano Chord

A tense jazz chord with a tritone replacing the perfect fifth. Often serves as a tritone substitution in jazz progressions — replacing the classic dominant seventh chord.

Piano

Recommended voicing
Ab3 · C4 · D4 · Gb4

How to play the Ab7b5 chord on piano

Play the recommended root-position voicing with the right hand: Ab3, C4, D4 and Gb4. Suggested fingering is 1–2–3–5 (1 is the thumb).

Other names for the Ab7b5 chord

Other names: Ab 7th flat 5

Music theory name: seventh flat five chord

Common name: Ab 7b5 chord

Notes and intervals in the Ab7b5 chord

Note Interval
Ab Root
C Major 3rd
D Diminished 5th
Gb Minor 7th

Inversions

1st inversion
C4 · D4 · Gb4 · Ab4
2nd inversion
D4 · Gb4 · Ab4 · C5

More chords with Ab as the root

The same chord type in other keys