How do you play the Ab sus4/Bbb chord?

To play the Ab sus4/Bbb chord on piano, play the Ab sus4 chord (Ab, Db and Eb) with Bbb as the lowest bass note. Place the Bbb 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 Ab sus4/Bbb chord means a Ab sus4 chord with Bbb in the bass.

Ab sus4/Bbb

Q: What notes are in the Ab sus4/Bbb chord?

The Ab sus4/Bbb chord uses the 3 notes of the Ab sus4 chord — Ab (Perfect unison), Db (Perfect fourth) and Eb (Perfect fifth) — with Bbb played as the bass note in the lowest register.

The Ab sus4 chord consists of the Ab (Perfect unison), Db (Perfect fourth) and Eb (Perfect fifth) notes, with Bbb as the bass note.

Piano keyboard showing the notes for a Ab sus4/Bbb chord

How to play the Ab sus4/Bbb chord

Play Bbb as the lowest bass note in the left hand
Find Ab (Root) on the piano keyboard
Add Db (Perfect fourth) — 5 semitones above Ab
Add Eb (Perfect fifth) — 7 semitones above Ab
Press all 4 notes simultaneously to sound the Ab sus4/Bbb chord

Inversions with same root

A maj7(b5)

Related chords with different root

D# 11(b5)(sus4)

Related slash chords

Db sus2/A
Db 5(add9)/A
Eb 11(sus4)/Bbb