Root on E string
Adim7 chord tones around the E-string root.
Bass chord companion
A Diminished 7 Chord
Learn the A Diminished 7 chord on bass with chord tones, intervals, and interactive fretboard shapes.
1Ab3Cb5Ebbb7Gb
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
Adim7 chord tones around the A-string root.
Full fretboard map
Every A Diminished 7 Chord chord tone across the neck, with roots highlighted for quick orientation.
Common progressions using A Diminished 7
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 |
| bb7 | 6 | Gb |
Compatible Scales
Formula
R – b3 – b5 – 6