How to Play Ebm7b5 on Piano

The Eb Half-Diminished 7th chord sounds hollow and searching. It stacks 4 notes: Eb – Gb – Bbb – Db.

The half-diminished seventh, written either with a flat five or with a slashed circle. A diminished triad with a plain minor seventh on top rather than a diminished one, which is what separates it from the fully diminished chord. It is the ii of every minor key, so almost every minor ii-V starts here.

Notes in Ebm7b5

NoteIntervalRHLH
EbEb4RootR15
GbGb4Minor 3rdb324
BbbBbb4Diminished 5thb533
DbDb5Minor 7thb751

How to Play

One hand, 4 notes

Right hand, low note to high: fingers 1-2-3-5 on Eb, Gb, Bbb, Db. The left hand plays the same shape mirrored, 5-4-3-1, usually an octave or two lower.

Shell voicing

Root, third and seventh: Eb, Gb, Db, left hand 5-3-1. Those three notes are what make this chord the chord it is, so a jazz player holds them in the left hand and keeps the right hand free for the melody.

Where it sits

3 notes of this chord (Eb, Gb, Db) are on black keys, so play it a little further back on the keys than an all-white shape.

Practice Ebm7b5 in the player

Opens a block chord drill for Ebm7b5. More drills, from broken chords to inversions, are further down the page.

Practice Exercises

Play each one to hear it, then open it in the practice player, which shows the notes coming toward you and checks what you play on a MIDI keyboard or the on-screen piano.

1

Block Chord

Press all 4 notes (Eb, Gb, Bbb, Db) at the same time. Hold for 4 beats, release, then repeat 8 times. Focus on pressing every key at exactly the same moment with even volume.

2

Broken Chord (Arpeggio)

Play each note one at a time. Go up, then back down:

Eb → Gb → Bbb → Db → Db → Bbb → Gb → Eb

Keep a steady rhythm. Once comfortable, try speeding up gradually.

3

Inversions and Slash Chords

The same 4 notes rearranged so a different one sits at the bottom. This is the same idea as a slash chord: Ebm7b5/Gb is simply Ebm7b5 with Gb in the bass. Learning to move between them is what stops your hand jumping around the keyboard.

InversionWrittenNotesRH
Root positionEbm7b5Eb – Gb – Bbb – Db1-2-3-5
1st inversionEbm7b5/GbGb – Bbb – Db – Eb1-2-4-5
2nd inversionEbm7b5/BbbBbb – Db – Eb – Gb1-2-3-5
3rd inversionEbm7b5/DbDb – Eb – Gb – Bbb1-2-3-5
4

Two-Hand: Bass + Chord

Left hand: play Eb one octave lower as a single bass note. Right hand: play Eb, Gb, Bbb, Db. Play the bass note first, then the chord, like a simple accompaniment pattern. Repeat until it feels natural.

When to use each slash chord

Ebm7b5/GbGb – Bbb – Db – Eb

Puts the third in the bass, which is the usual way to walk a bass line by step between two chords a third apart.

Ebm7b5/BbbBbb – Db – Eb – Gb

Puts the fifth in the bass. This is the shape that keeps a pedal-like bass under a changing harmony, and the one most often written with a slash in pop and worship charts.

Ebm7b5/DbDb – Eb – Gb – Bbb

Puts the seventh in the bass, which pulls the bass line downward by step into the next chord.

Chords You Can Play Instead of Ebm7b5

These share most of their notes with Ebm7b5, so any of them can stand in for it without breaking the harmony. Swapping one in is the quickest way to make a progression you already know sound different.

F#m64 shared
F# – A – C# – D#
four notes in common
B94 shared
B – D# – F# – A – C#
four notes in common
B134 shared
B – D# – F# – A – C# – G#
four notes in common
F#m3 shared
F# – A – C#
three notes in common
Dmaj73 shared
D – F# – A – C#
three notes in common
Ebm73 shared
Eb – Gb – Bb – Db
three notes in common

Keys and Scales for Ebm7b5

Keys Ebm7b5 belongs to

Every note of Ebm7b5 is in each of these keys, and the numeral says the job it does there.

Scales to play over it

None of these produce a note that clashes with Ebm7b5. The ones built on Eb itself are the ones to learn, because that rule then works in every key.

Half-Diminished 7th Chords in Every Key

The same shape moved to another root. Once you can hear what a half-diminished 7th chord does, the work left is finding it under the hand in the other eleven keys.

Other Eb Chords

Every other chord in the library built on Eb: what Ebm7b5 becomes when a note is added, moved or taken away.