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Chord · Reference entry

E♭ Half Diminished

Half Diminished · E♭ – G♭ – B♭♭ – D♭ · intervals P1-m3-d5-m7

The E♭ Half Diminished chord (E♭m7♭5) contains the notes E♭, G♭, B♭♭, and D♭. Its interval formula is R-m3-d5-m7. Also called m7♭5 — a darker, dissonant cousin of the minor 7th, the standard ii of a minor ii-V-i.

D♯ Half Diminished
This is the same chord as D♯ Half Diminished — the same keys on the keyboard, spelled with sharps.

At the keyboard

Eb · Gb · Bbb · Db
Flashcards · Chord
Three questions on E♭ Half Diminished
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E♭ø7

The E♭ Half Diminished chord is a four-note chord made up of E♭, G♭, B♭♭, and D♭. It is built from a root, minor third, diminished fifth, and minor seventh.

Construction

E♭ Half Diminished = Root + Minor 3rd + Diminished 5th + Minor 7th = E♭ · G♭ · B♭♭ · D♭
NoteIntervalDegree
E♭Root1
G♭Minor 3rd♭3
B♭♭Diminished 5th♭5
D♭Minor 7th♭7

E♭ Half Diminished Inversions

Eb Half Diminished piano chord, 1st inversion — G♭, B♭♭, D♭, E♭
The Eb Half Diminished chord, 1st inversion, on a piano keyboard.
Eb Half Diminished piano chord, 2nd inversion — B♭♭, D♭, E♭, G♭
The Eb Half Diminished chord, 2nd inversion, on a piano keyboard.
Eb Half Diminished piano chord, 3rd inversion — D♭, E♭, G♭, B♭♭
The Eb Half Diminished chord, 3rd inversion, on a piano keyboard.
PositionNotes
Root PositionE♭ – G♭ – B♭♭ – D♭
1st InversionG♭ – B♭♭ – D♭ – E♭
2nd InversionB♭♭ – D♭ – E♭ – G♭
3rd InversionD♭ – E♭ – G♭ – B♭♭

Key Signature

A Half Diminished chord is built from symmetrical or ambiguous intervals, so it doesn’t belong to a single key and has no key signature of its own.

Same Notes, Other Names

The notes E♭ – G♭ – B♭♭ – D♭ aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell:

E♭ Half Diminished — Frequently Asked Questions

What is the E♭ Half Diminished chord on piano?
The E♭ Half Diminished chord contains the notes E♭ – G♭ – B♭♭ – D♭. On piano, play these notes together to sound the chord.
What notes are in the Eb Half Diminished chord?
Ebm7b5 contains: Eb, Gb, Bbb, Db. Diminished triad with minor seventh.
How does Ebm7b5 differ from Ebdim7?
Minor seventh (Db) vs diminished seventh (Dbb/C).
How is Ebm7b5 used?
ii chord in Db minor.
What songs use Half Diminished?
Jazz minor-key harmony.
How does Ebm7b5 differ from Ebm7?
Flatted fifth (Bbb vs Bb).
Is Ebm7b5 the same as Gbm6?
Same notes, different root.

Related Tools

Chord FinderLook up any chord — see the notes, hear it, and play along.Chord DrillTimed drills to build speed and recognition across all chord types.Practice RoomPlug in a MIDI keyboard and get real-time feedback on every chord and scale.Circle of FifthsVisualize key relationships, relative minors, and key signatures.MIDI MonitorLive MIDI message stream with note names, velocity, and a scrolling staff.

References & Further Reading

The note names, intervals, fingering, and harmony on this chord page are grounded in the following sources. Public domain treatises and scores are linked to their full text; primary data is piano.org's own interval-derived reference dataset — continuously maintained and human-verified, with no fixed publication date.

  1. 1

    George Grove (ed.)(1900)

    A Dictionary of Music and Musicians

    Public domain treatise
  2. 2

    Jadassohn, Salomon(1883)

    A Manual of Harmony

    Public domain treatise
  3. 3

    Chopin, Frédéric(1839)

    Prelude in E♭ major, Op. 28 No. 19

    Public domain score
  4. 4

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