Chord · Altered Dom.

E♭7♭5♯9 — E♭ Altered ♭5♯9

E♭7♭5♯9 is the E♭ altered ♭5♯9 chord. It is built on the root E♭ with major 3rd (G), diminished 5th (B𝄫), minor 7th (D♭) and augmented 9th (F♯) above it — the formula 1 3 ♭5 ♭7 ♯9, sounding the notes E♭ G B𝄫 D♭ F♯. On the piano it sits at Eb (octave 4) and above in the library's voicing; the same 5 notes in any octave are still E♭7♭5♯9.

Root
E♭
Quality
Altered ♭5♯9
Formula
1 3 ♭5 ♭7 ♯9
Notes
E♭ G B𝄫 D♭ F♯

On the keyboard

E♭7♭5♯9 on the piano keyboard: E♭ G B𝄫 D♭ F♯E♭GB𝄫D♭F♯

The notes of E♭7♭5♯9

DegreeNoteInterval from the rootPitch
1E♭rootE♭4
3Gmajor 3rdG4
♭5B𝄫diminished 5thB♭♭4
♭7D♭minor 7thD♭5
♯9F♯augmented 9thF♯5

Other altered dom. on E♭

Altered ♭5♯9 chords on every root

Part of the chord reference. See also the scales and the keys.