A Lydian Mode
A – B – C# – D# – E – F# – G#
Formula:W-W-W-H-W-W-H
Intervals:P1-M2-M3-A4-P5-M6-M7-P8
Scale Degrees:1-2-3-♯4-5-6-7-8
Introduction
The A Lydian mode is the fourth mode of the E Major scale. It has a major sound with a raised fourth degree, giving it a bright, ethereal quality.
A Lydian Mode Notes
| Degree | Name | Note | Interval |
|---|---|---|---|
| 1 | Tonic | A4 | P1 |
| 2 | Supertonic | B4 | M2 |
| 3 | Mediant | C#5 | M3 |
| ♯4 | Subdominant | D#5 | A4 |
| 5 | Dominant | E5 | P5 |
| 6 | Submediant | F#5 | M6 |
| 7 | Leading Tone | G#5 | M7 |
| 8 | Octave | A5 | P8 |
A Lydian Mode — Frequently Asked Questions
What notes are in the A Lydian mode?
A Lydian contains: A, B, C#, D#, E, F#, G#. Fourth mode of E Major. Raised 4th (D# instead of D).
How does A Lydian differ from A Major?
One note: A Lydian has D# (augmented 4th), A Major has D (perfect 4th).
What is the parent major scale?
Fourth mode of E Major.
How is A Lydian used in music?
Film scores, progressive rock, jazz fusion. B Major over A tonic is the signature.
What chords are built from A Lydian?
A, B, C#m, D#dim, E, F#m, G#m.
What songs use Lydian?
Simpsons theme, John Williams, progressive rock.
Practice Tips
- Raise D to D# — hear the Lydian brightness.
- B Major over A bass is the signature.
- Practice over an A drone.
- Progressive rock and fusion applications.
- All sharps — distinctive shape.
- Compare with A Major.