How do you play the Eb 7(b9)(#9)/Ab chord?

To play the Eb 7(b9)(#9)/Ab chord on piano, play the Eb 7(b9)(#9) chord (Eb, G, Bb, Db, Fb and F#) with Ab as the lowest bass note. Place the Ab note below the other chord tones. Slash chords specify a particular bass note different from the chord root.

What is a slash chord?

A slash chord (or compound chord) is written as Chord/Bass and specifies both a chord and a bass note. The note to the right of the slash is played as the lowest note. The Eb 7(b9)(#9)/Ab chord means a Eb 7(b9)(#9) chord with Ab in the bass.

Eb 7(b9)(#9)/Ab

Q: What notes are in the Eb 7(b9)(#9)/Ab chord?

The Eb 7(b9)(#9)/Ab chord uses the 6 notes of the Eb 7(b9)(#9) chord — Eb (Perfect unison), G (Major third), Bb (Perfect fifth), Db (Minor seventh), Fb (Minor ninth) and F# (Minor tenth) — with Ab played as the bass note in the lowest register.

The Eb 7(b9)(#9) chord consists of the Eb (Perfect unison), G (Major third), Bb (Perfect fifth), Db (Minor seventh), Fb (Minor ninth) and F# (Minor tenth) notes, with Ab as the bass note.

Piano keyboard showing the notes for a Eb 7(b9)(#9)/Ab chord

How to play the Eb 7(b9)(#9)/Ab chord

Play Ab as the lowest bass note in the left hand
Find Eb (Root) on the piano keyboard
Add G (Major third) — 4 semitones above Eb
Add Bb (Perfect fifth) — 7 semitones above Eb
Add Db (Minor seventh) — 10 semitones above Eb
Add Fb (Minor ninth) — 13 semitones above Eb
Add F# (Minor tenth) — 15 semitones above Eb
Press all 7 notes simultaneously to sound the Eb 7(b9)(#9)/Ab chord