Formula and Intervals of the Bb Aeolian Scale
Degree formula: 1 — 2 — b3 — 4 — 5 — b6 — b7. Interval pattern between adjacent degrees: 2 — 1 — 2 — 2 — 1 — 2 — 2. The scale includes the following notes:
- Bb — tonic, the main anchor of the mode.
- C — gentle melodic extension and natural upward step.
- 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 Aeolian mode and define its musical character.
Chords within the Bb Aeolian 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
- Cdim — 2
- Db — b3
- Ebm — 4
- Fm — 5
- Gb — b6
- Ab — 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 Aeolian Scale
This mode may appear under other names:
- Bb Natural Minor
- Bb Minor
All variations point to the same modal structure.
How to Use the Bb Aeolian Scale
Create gentle drama: use arpeggios, legato, and pedal notes on top. Typical moves: i-VI-VII and iv-V-i. Keep the low end light and texture transparent.
Conclusion
Bb Aeolian 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.
