CH·01 / D♯ LYDIAN
IV
D♯ Lydian
Dreamy, floating, ethereal — built from A♯ major
PARENT FAMILY · A♯ MAJ
All 7 modes share the same parent scale (A♯ major). D♯ Lydian is the IV mode.
| # | Mode | Diatonic chords | Mood |
|---|---|---|---|
| I | A♯ Ionian | A♯maj7 – Cm7 – Dm7 – D♯maj7 – F7 – Gm7 – Am7♭5 | Happy, bright, resolved |
| II | C Dorian | Cm7 – Dm7 – D♯maj7 – F7 – Gm7 – Am7♭5 – A♯maj7 | Soulful, minor but with hope |
| III | D Phrygian | Dm7 – D♯maj7 – F7 – Gm7 – Am7♭5 – A♯maj7 – Cm7 | Dark, tense, Spanish/flamenco |
| IV | D♯ Lydian | D♯maj7 – F7 – Gm7 – Am7♭5 – A♯maj7 – Cm7 – Dm7 | Dreamy, floating, ethereal |
| V | F Mixolydian | F7 – Gm7 – Am7♭5 – B♭maj7 – Cm7 – Dm7 – E♭maj7 | Bluesy, dominant, rock |
| VI | G Aeolian | Gm7 – Am7♭5 – A♯maj7 – Cm7 – Dm7 – D♯maj7 – F7 | Melancholic, natural minor |
| VII | A Locrian | Am7♭5 – A♯maj7 – Cm7 – Dm7 – D♯maj7 – F7 – Gm7 | Unstable, tense, dissonant |
SCALE · 7 NOTES · 1 2 3 ♯4 5 6 7
D♯
F
G
A
A♯
C
D
Formula: 1 2 3 ♯4 5 6 7
The Lydian scale on D♯ contains the notes D♯, F, G, A, A♯, C, D. The pentatonic subset is D♯, F, G, A♯, C.
Characteristic note: the ♯4 (raised fourth) gives it a dreamy, floating quality.
DIATONIC 7ths · CHORD PAD
I
D♯maj7
II
F7
III
Gm7
IV
Am7♭5
V
A♯maj7
VI
Cm7
VII
Dm7
▸ Play D♯ Lydian over D♯maj7 and F7 progressions.
FRETBOARD · STANDARD TUNING · 15F● LIVE
CHARACTER · DREAMY, FLOATING, ETHEREAL
DREAMY, FLOATING, ETHEREAL
D♯ Lydian is a major mode with a dreamy, floating, ethereal character. It is the IV mode of A♯ major — it uses the same 7 notes as A♯ Ionian but is rooted on D♯, which shifts the harmonic focus and creates a completely different sound. The tonic chord is D♯maj7.
Where to use D♯ Lydian
Film music, jazz, progressive rock.
Famous examples
- The Simpsons theme
- Flying (Beatles)
- Lydian film scores
What makes it distinctive: the ♯4 (raised fourth) gives it a dreamy, floating quality.
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