Root on E string
Am7b5 chord tones around the E-string root.
Bass chord companion
A Half-Diminished Chord
Learn the A Half-Diminished chord on bass with chord tones, intervals, and interactive fretboard shapes.
1Ab3Cb5Ebb7G
Bass chord-tone boxes
Bass lines usually imply this chord with arpeggios and target tones. Start with root-on-E and root-on-A boxes.
Root on A string
Am7b5 chord tones around the A-string root.
Full fretboard map
Every A Half-Diminished Chord chord tone across the neck, with roots highlighted for quick orientation.
Common progressions using A Half-Diminished
Try these progressions to hear the chord in context instead of treating it as an isolated shape.
Minor ii-V-i
Half-diminished and diminished sounds often set up a dominant chord resolving to minor.
Passing diminished motion
Use the tension as a connector between more stable harmony.
Chord Tones
| Degree | Interval | Note |
|---|---|---|
| 1 | R | A |
| b3 | b3 | C |
| b5 | b5 | Eb |
| b7 | b7 | G |
Formula
R – b3 – b5 – b7