Emaj7(b5)(#4) Major 7th
The Emaj7(b5)(#4) chord is built from the notes E – G# – Bb – D# – A#.
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Also known as
Emaj7b5#11
Chord tones, one by one
ERoot
Root
The fundamental note the chord is built on — E.
G#Third
Major third
Four semitones — makes the chord major (brighter, happier).
BbFifth
Diminished fifth (♭5)
Six semitones — a flat fifth. Creates instability, typical of m7♭5 and diminished chords.
D#Seventh
Major seventh
Eleven semitones — a lush, jazzy seventh just below the octave (maj7).
A#Extension
Sharp eleventh (♯11)
A ♯11 — the bright, floating Lydian color.
🎼 Related scales
🎹 Modal analysis
This chord implies the Lydian scale; its characteristic note is the bright, floating ♯11.
🎸 Genres
Film & TV scoring · Modal jazz · Impressionism