Am7b5 Piano Chord
A key chord of minor jazz. Naturally occurs as the II degree in minor keys (in ii–V–i progressions). Less tense than the fully diminished seventh chord.
Recommended voicing
A3 · C4 · Eb4 · G4
With bass · rootless
Left hand
Eb3 · G3 · C4
fingers 5–3–1
Right hand
Free
melody / improvisation
Jazz accompaniment with a bass player: the bass supplies the root, leaving the right hand free for melody or improvisation.
Notation for Am7b5 chord
Other names: A minor 7th flat 5, A half-diminished, Aø7, A m7♭5
Music theory name: half-diminished seventh chord
Common name: A half-diminished chord
Intervals and tones in Am7b5 chord
| Note | Interval |
|---|---|
| A | Root |
| C | Minor 3rd |
| Eb | Diminished 5th |
| G | Minor 7th |
Inversions
1st inversion
C4 · Eb4 · G4 · A4
2nd inversion
Eb4 · G4 · A4 · C5