Chord · 7ths
Am7♭5 — A Half-Diminished
Am7♭5 is the A half-diminished chord. It is built on the root A with minor 3rd (C), diminished 5th (E♭) and minor 7th (G) above it — the formula 1 ♭3 ♭5 ♭7, sounding the notes A C E♭ G. On the piano it sits at A (octave 3) and above in the library's voicing; the same 4 notes in any octave are still Am7♭5.
- Root
- A
- Quality
- Half-Diminished
- Formula
- 1 ♭3 ♭5 ♭7
- Notes
- A C E♭ G
On the keyboard
Right-hand fingering for this voicing: 1–2–3–5 (1 is the thumb).
The notes of Am7♭5
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | A | root | A3 |
| ♭3 | C | minor 3rd | C4 |
| ♭5 | E♭ | diminished 5th | E♭4 |
| ♭7 | G | minor 7th | G4 |
Other 7ths on A
Half-Diminished chords on every root
Part of the chord reference. See also the scales and the keys.