The diminished 7th arpeggio on bass, in all 12 keys
Minor 3rds stacked all the way up. The ♭♭7 sounds like a 6th but is spelled as a 7th because it is the chord's seventh. Also called: 1 · ♭3 · ♭5 · ♭♭7.
Formula: 1 ♭3 ♭5 ♭♭7. Interval steps: m3 m3 m3 m3. Use it over: Passing diminished chords and as a stand-in for V7♭9.
Notes in every key
- CC E♭ G♭ B♭♭
- GG B♭ D♭ F♭
- DD F A♭ C♭
- AA C E♭ G♭
- EE G B♭ D♭
- BB D F A♭
- F♯F♯ A C E♭
- C♯C♯ E G B♭
- G♯G♯ B D F
- D♯D♯ F♯ A C
- A♯A♯ C♯ E G
- FF A♭ C♭ E♭♭
Printable chart of all 12 keys: PDF · print page · every pattern in one PDF
Where the root sits on the neck
| Key | E string | A string | B string (5-string) |
|---|---|---|---|
| C | 8 | 3 | 1 |
| G | 3 | 10 | 8 |
| D | 10 | 5 | 3 |
| A | 5 | 0 | 10 |
| E | 0 | 7 | 5 |
| B | 7 | 2 | 0 |
| F♯ | 2 | 9 | 7 |
| C♯ | 9 | 4 | 2 |
| G♯ | 4 | 11 | 9 |
| D♯ | 11 | 6 | 4 |
| A♯ | 6 | 1 | 11 |
| F | 1 | 8 | 6 |
Practice tip
Every note is three frets from the next. Move the shape up three frets and you are on the same chord.