How do you play the Bb add11/Ab chord?

To play the Bb add11/Ab chord on piano, play the Bb add11 chord (Bb, D, F and Eb) 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 Bb add11/Ab chord means a Bb add11 chord with Ab in the bass.

Bb add11/Ab

Q: What notes are in the Bb add11/Ab chord?

The Bb add11/Ab chord uses the 4 notes of the Bb add11 chord — Bb (Perfect unison), D (Major third), F (Perfect fifth) and Eb (Perfect eleventh) — with Ab played as the bass note in the lowest register.

The Bb add11 chord consists of the Bb (Perfect unison), D (Major third), F (Perfect fifth) and Eb (Perfect eleventh) notes, with Ab as the bass note.

Piano keyboard showing the notes for a Bb add11/Ab chord

How to play the Bb add11/Ab chord

Play Ab as the lowest bass note in the left hand
Find Bb (Root) on the piano keyboard
Add D (Major third) — 4 semitones above Bb
Add F (Perfect fifth) — 7 semitones above Bb
Add Eb (Perfect eleventh) — 17 semitones above Bb
Press all 5 notes simultaneously to sound the Bb add11/Ab chord

Related chords with different root

Bb 7(add11)

Related slash chords

Eb maj7(sus2)/Ab
Eb maj9(sus2)/Ab