Dim & aug familyviiø7 in A major
A♭ half-diminished chord
A♭m7♭5A♭ half-diminished
Piano root position
- Root
- ♭3
- ♭5
- ♭7
Guitar standard tuning
Fret 3
No barre: each note has its own finger.
Finger: 1 index, 2 middle, 3 ring, 4 little
Notation treble clef
Intervals
12 semitones- A♭1
- ♭2
- 2
- C♭♭3
- 3
- 4
- E𝄫♭5
- 5
- ♯5
- 6
- G♭♭7
- 7
- A♭ Root
- C♭ Minor 3rd
- E𝄫 Diminished 5th
- G♭ Minor 7th
About this chord
What is an A♭ half-diminished chord?
A♭m7♭5 is built from 4 notes: A♭ (the root), C♭ (the ♭3), E𝄫 (the ♭5), G♭ (the ♭7). The ii chord of a minor key: dark but softer than fully diminished.
- Notes
- A♭ · C♭ · E𝄫 · G♭
- Formula
- 1 · ♭3 · ♭5 · ♭7
- Also written
- A♭ø7 · A♭ø
- Found in
- viiø7 in A major · iiø7 in F♯ minor
Neighbours
Chords close to A♭m7♭5
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