Dim & aug familyviiø7 in B♭ major
A half-diminished chord
Am7♭5A half-diminished
Piano root position
- Root
- ♭3
- ♭5
- ♭7
Guitar standard tuning
Fret 4
No barre: each note has its own finger.
Finger: 1 index, 2 middle, 3 ring, 4 little
Notation treble clef
Intervals
12 semitones- A1
- ♭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?
Am7♭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
- Aø7 · Aø
- Found in
- viiø7 in B♭ major · iiø7 in G minor
Neighbours
Chords close to Am7♭5
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C
D♭
D
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E
F
G♭
G
A♭
A
B♭