Bb Phrygian Scale: Degrees, Notes, Intervals, and Practical Use

Bb Phrygian — minor with b2 from “Bb”, brings dense tension and ethnic color. Perfect for metal riffs and flamenco turns. Keep b2 high for clarity and avoid lower clusters.

Formula and Intervals of the Bb Phrygian Scale

Degree formula: 1 — b2 — b3 — 4 — 5 — b6 — b7. Interval pattern between adjacent degrees: 1 — 2 — 2 — 2 — 1 — 2 — 2. The scale includes the following notes:

• Bb — tonic, the main anchor of the mode.
• B — spicy minor touch, characteristic of the Phrygian sound.
• Db — minor third, lyrical tone and soft drama.
• Eb — quartal spice, best separated from 3 by voice leading.
• F — perfect fifth, stabilizing anchor of the mode.
• Gb — minor sixth, soft pull to 5 and warm tone.
• Ab — dominant pull toward tonic, typical of Mixolydian.

Together these degrees form the core of the Bb Phrygian mode and define its musical character.

Chords within the Bb Phrygian Scale

Below are the basic diatonic chords that naturally occur on each degree. Use them as a palette for your progressions, keep the bass stable, and highlight color tones in the upper voice.

• Bbm — 1
• B — b2
• Db — b3
• Ebm — 4
• Fdim — 5
• Gb — b6
• Abm — b7

This set forms a solid modal framework: combine triads and seventh chords, add 9/11/13 for color, and separate 3rds from 11ths for cleaner harmony.

Alternative Names of the Bb Phrygian Scale

This mode may appear under other names:

• Bb Phrygian Minor

All variations point to the same modal structure.

How to Use the Bb Phrygian Scale

Keep b2 in upper voice for clarity. Avoid dense lower clusters. Effective moves: i-bII and i-bVII-bVI, plus percussive riffs.

Conclusion

Bb Phrygian is a recognizable mode with clear logic of use. Study the formula and intervals, keep color tones in the top voice, build diatonic chords, and try integrating the mode into your own progressions — this way you’ll develop a confident and expressive sound faster.