How do you play the Eb maj9(#11)/Ab chord?

To play the Eb maj9(#11)/Ab chord on piano, play the Eb maj9(#11) chord (Eb, G, Bb, D, F and A) 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 maj9(#11)/Ab chord means a Eb maj9(#11) chord with Ab in the bass.

Eb maj9(#11)/Ab

Q: What notes are in the Eb maj9(#11)/Ab chord?

The Eb maj9(#11)/Ab chord uses the 6 notes of the Eb maj9(#11) chord — Eb (Perfect unison), G (Major third), Bb (Perfect fifth), D (Major seventh), F (Major ninth) and A (Augmented eleventh) — with Ab played as the bass note in the lowest register.

The Eb maj9(#11) chord consists of the Eb (Perfect unison), G (Major third), Bb (Perfect fifth), D (Major seventh), F (Major ninth) and A (Augmented eleventh) notes, with Ab as the bass note.

Piano keyboard showing the notes for a Eb maj9(#11)/Ab chord

How to play the Eb maj9(#11)/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 D (Major seventh) — 11 semitones above Eb
Add F (Major ninth) — 14 semitones above Eb
Add A (Augmented eleventh) — 18 semitones above Eb
Press all 7 notes simultaneously to sound the Eb maj9(#11)/Ab chord