Phrygian · B♭ · Guitar
The B♭ Phrygian scale is B♭ C♭ D♭ E♭ F G♭ A♭ — formula 1 ♭2 ♭3 4 5 ♭6 ♭7, step pattern H–W–W–W–H–W–W. Use it over B♭m7: it is the scale for minor chords when you want a dark, flat-9 colour, and sus♭9 sounds. Below, every note is marked on the fretboard in standard tuning; press play to hear it on a synthesized guitar while each note lights up, or tap any fret to sound that note.
Visualizer
Guitar · standard tuning
Piano
Tap any note on the diagram to hear it. Play loops the scale up and down one octave in eighth notes (switch Loop off for a single pass) in the position starting at fret 6. “Show” switches or combines the fretboard and keyboard; “Sound” picks the instrument you hear. Audio is synthesized in the browser.
Reference
| Degree | Note | Interval from B♭ | Step to next |
|---|---|---|---|
| 1 | B♭ | unison (0 semitones) | H |
| ♭2 | C♭ | minor 2nd (1 semitones) | W |
| ♭3 | D♭ | minor 3rd (3 semitones) | W |
| 4 | E♭ | perfect 4th (5 semitones) | W |
| 5 | F | perfect 5th (7 semitones) | H |
| ♭6 | G♭ | minor 6th (8 semitones) | W |
| ♭7 | A♭ | minor 7th (10 semitones) | W |
Chord it implies: B♭m7 (B♭ – D♭ – F – A♭). Use it for: minor chords when you want a dark, flat-9 colour, and sus♭9 sounds.
Common questions
B♭ C♭ D♭ E♭ F G♭ A♭. As scale degrees: 1 ♭2 ♭3 4 5 ♭6 ♭7. It has 7 notes.
B♭ Phrygian fits B♭m7 and, more generally, minor chords when you want a dark, flat-9 colour, and sus♭9 sounds.
1 ♭2 ♭3 4 5 ♭6 ♭7 — the step pattern from the root is H W W W H W W (W = whole step, H = half step).
Start on the root B♭ on the low E string at fret 6, and play the one-octave position shown: E-string fret 6, E-string fret 7, E-string fret 9, A-string fret 6, A-string fret 8, A-string fret 9, D-string fret 6, D-string fret 8. Every B♭ on the neck is a root, so the same shape works in every position where the notes are marked.
Keep going
Same scale on piano · all Phrygian pages: Phrygian hub · theory: chord-scale theory.
Other scales from B♭