Formula and Intervals of the A Lydian Dominant Scale
Degree formula: 1 — 2 — 3 — #4 — 5 — 6 — b7. Interval pattern between adjacent degrees: 2 — 2 — 2 — 1 — 2 — 1 — 2. The scale includes the following notes:
- A — tonic, the main anchor of the mode.
- B — gentle melodic extension and natural upward step.
- Db — major third, clear support above the tonic.
- Eb — Lydian color, keep above 3 for clarity.
- E — perfect fifth, stabilizing anchor of the mode.
- Gb — warm upper shade, pairs well with 9.
- G — dominant pull toward tonic, typical of Mixolydian.
Together these degrees form the core of the A Lydian Dominant mode and define its musical character.
Chords within the A Lydian Dominant 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.
- A — 1
- B — 2
- Dbdim — 3
- Ebdim — #4
- Em — 5
- Gbm — 6
- Gaug — 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 A Lydian Dominant Scale
This mode may appear under other names:
- A Mixolydian #4
All variations point to the same modal structure.
How to Use the A Lydian Dominant Scale
#11 above 3, dominant can sustain long without tension fatigue. Add 9 and 13. Try V7(#11) → I or a long pedal on the dominant.
Conclusion
A Lydian Dominant 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.
