What notes are in a Ab7b5 chord?

Ab7b5 is Ab, C, D, Gb: the 1, 3, ♭5, ♭7 of Ab.

How do you play Ab7b5 on guitar?

6th String Root: 4 5 4 5 x x; 5th String Root: x 11 12 11 13 x; 4th String Root: x x 6 7 7 8 (low E to high E, x = don't play the string).

Guitar chord · Dominant 7b5

Ab7b5 chord (Ab Dominant 7b5)

Dominant 7th with a lowered 5th: the 3rd and ♭7 form a tritone, with the ♭5 adding extra bite.

Notes AbCDGb

Formula 1 3 ♭5 ♭7

Shapes 3 on this page

Ab7b5 chord shapes

Tap a diagram to strum it. Numbers are fingers: 1 index, 2 middle, 3 ring, 4 pinky. Blue dots are the root, Ab.

6th String Root 4 5 4 5 x x

5th String Root x 11 12 11 13 x

4th String Root x x 6 7 7 8

Interactive chord diagram

Ab7b5 on the fretboard

STR OP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 E A D G B E ✕ ✕ ✕ ✕ ✕ ✕

Tap any note to hear it.

Scales to play over Ab7b5

These scales start on Ab and contain every note of the chord, so they fit when Ab7b5 is the chord of the moment.

Ab Lydian Dominant Ab Altered Ab Whole Tone Ab Half-Whole Diminished Ab Oriental Ab Lydian #2 #6 Ab Leading Whole Tone Ab Major Locrian Ab Lydian Dominant b6 Ab Hungarian Major Ab Enigmatic Ab Prometheus Ab Tritone

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Questions

What notes are in a Ab7b5 chord?: Ab7b5 is Ab, C, D, Gb: the 1, 3, ♭5, ♭7 of Ab.
How do you play Ab7b5 on guitar?: 6th String Root: 4 5 4 5 x x; 5th String Root: x 11 12 11 13 x; 4th String Root: x x 6 7 7 8 (low E to high E, x = don't play the string).
What scale goes with Ab7b5?: Scales on Ab that contain every note of Ab7b5: Ab Lydian Dominant, Ab Altered, Ab Whole Tone, Ab Half-Whole Diminished, Ab Oriental, Ab Lydian #2 #6.

Dominant 7b5 chords in every key

C7b5 C#7b5 D7b5 Eb7b5 E7b5 F7b5 F#7b5 G7b5 Ab7b5 A7b5 Bb7b5 B7b5