Arpeggio · B°7 · Guitar
The B°7 arpeggio is B – D – F – A♭ — chord tones 1 ♭3 ♭5 ?. B°7 is passing chords between diatonic chords, and as a 7♭9 without its root; its sound is symmetrical, restless. Below, every B, D, F, A♭ on the fretboard is marked, with the root in gold. Press play to hear a one-octave arpeggio, or tap any note.
Visualizer
Guitar · standard tuning
Piano
Play loops the arpeggio up and down one octave (switch Loop off for a single pass) in the position starting at fret 7. Tap any marked note to hear it. “Show” switches or combines the fretboard and keyboard; “Sound” picks the instrument you hear. Audio is synthesized in the browser.
Reference
| Chord tone | Note | Interval from B |
|---|---|---|
| 1 | B | unison (0 semitones) |
| ♭3 | D | minor 3rd (3 semitones) |
| ♭5 | F | tritone (6 semitones) |
| ? | A♭ | major 6th (9 semitones) |
Goes with: B Diminished (whole–half) (B D♭ D E F G A♭ B♭). Voicings: B°7 voicings on guitar.
Common questions
B – D – F – A♭. As chord tones: 1 ♭3 ♭5 ?. Played one after another instead of together, that is the arpeggio.
B°7 is passing chords between diatonic chords, and as a 7♭9 without its root. Its character is symmetrical, restless.
B Dim. W–H (B D♭ D E F G A♭ B♭) — the arpeggio is the skeleton of that scale, so practise them together.
Start on the root B on the low E string at fret 7 and play E-string fret 7, E-string fret 10, A-string fret 8, A-string fret 11, D-string fret 9. Then play it descending, then in eighth notes with a metronome, then over the passing chords between diatonic chords.
Keep going
Same arpeggio on piano · Diminished 7th hub · chord-scale theory.
Other arpeggios from B