How do you play the Bb 11(sus4)/A chord?

To play the Bb 11(sus4)/A chord on piano, play the Bb 11(sus4) chord (Bb, Eb and Ab) with A as the lowest bass note. Place the A 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 11(sus4)/A chord means a Bb 11(sus4) chord with A in the bass.

Bb 11(sus4)/A

Q: What notes are in the Bb 11(sus4)/A chord?

The Bb 11(sus4)/A chord uses the 3 notes of the Bb 11(sus4) chord — Bb (Perfect unison), Eb (Perfect fourth) and Ab (Minor seventh) — with A played as the bass note in the lowest register.

The Bb 11(sus4) chord consists of the Bb (Perfect unison), Eb (Perfect fourth) and Ab (Minor seventh) notes, with A as the bass note.

Piano keyboard showing the notes for a Bb 11(sus4)/A chord

How to play the Bb 11(sus4)/A chord

Play A as the lowest bass note in the left hand
Find Bb (Root) on the piano keyboard
Add Eb (Perfect fourth) — 5 semitones above Bb
Add Ab (Minor seventh) — 10 semitones above Bb
Press all 4 notes simultaneously to sound the Bb 11(sus4)/A chord

Related slash chords

Eb sus4/Bbb
Ab sus2/Bbb
Ab 5(add9)/Bbb