What notes are in a Abmaj7b5 chord?

Abmaj7b5 is Ab, C, D, G: the 1, 3, ♭5, 7 of Ab.

How do you play Abmaj7b5 on guitar?

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

Guitar chord · Major 7b5

Abmaj7b5 chord (Ab Major 7b5)

Major 7th with a lowered 5th: a rare chord with a tritone between the root and the ♭5.

Notes AbCDG

Formula 1 3 ♭5 7

Shapes 3 on this page

Abmaj7b5 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 5 5 x x

5th String Root x 11 12 12 13 x

4th String Root x x 6 7 8 8

Interactive chord diagram

Abmaj7b5 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 Abmaj7b5

These scales start on Ab and contain every note of the chord, so they fit when Abmaj7b5 is the chord of the moment.

Ab Lydian Ab Lydian Augmented Ab Lydian #2 Ab Lydian Augmented #2 Ab Lydian #2 #6 Ab Leading Whole Tone Ab Persian Ab Enigmatic

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Questions

What notes are in a Abmaj7b5 chord?: Abmaj7b5 is Ab, C, D, G: the 1, 3, ♭5, 7 of Ab.
How do you play Abmaj7b5 on guitar?: 6th String Root: 4 5 5 5 x x; 5th String Root: x 11 12 12 13 x; 4th String Root: x x 6 7 8 8 (low E to high E, x = don't play the string).
What scale goes with Abmaj7b5?: Scales on Ab that contain every note of Abmaj7b5: Ab Lydian, Ab Lydian Augmented, Ab Lydian #2, Ab Lydian Augmented #2, Ab Lydian #2 #6, Ab Leading Whole Tone.

Major 7b5 chords in every key

Cmaj7b5 C#maj7b5 Dmaj7b5 Ebmaj7b5 Emaj7b5 Fmaj7b5 F#maj7b5 Gmaj7b5 Abmaj7b5 Amaj7b5 Bbmaj7b5 Bmaj7b5