How do you play the Db m9(#11)/Bb chord?

To play the Db m9(#11)/Bb chord on piano, play the Db m9(#11) chord (Db, Fb, Ab, Cb, Eb and G) with Bb as the lowest bass note. Place the Bb 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 Db m9(#11)/Bb chord means a Db m9(#11) chord with Bb in the bass.

Db m9(#11)/Bb

Q: What notes are in the Db m9(#11)/Bb chord?

The Db m9(#11)/Bb chord uses the 6 notes of the Db m9(#11) chord — Db (Perfect unison), Fb (Minor third), Ab (Perfect fifth), Cb (Minor seventh), Eb (Major ninth) and G (Augmented eleventh) — with Bb played as the bass note in the lowest register.

The Db m9(#11) chord consists of the Db (Perfect unison), Fb (Minor third), Ab (Perfect fifth), Cb (Minor seventh), Eb (Major ninth) and G (Augmented eleventh) notes, with Bb as the bass note.

Piano keyboard showing the notes for a Db m9(#11)/Bb chord

How to play the Db m9(#11)/Bb chord

Play Bb as the lowest bass note in the left hand
Find Db (Root) on the piano keyboard
Add Fb (Minor third) — 3 semitones above Db
Add Ab (Perfect fifth) — 7 semitones above Db
Add Cb (Minor seventh) — 10 semitones above Db
Add Eb (Major ninth) — 14 semitones above Db
Add G (Augmented eleventh) — 18 semitones above Db
Press all 7 notes simultaneously to sound the Db m9(#11)/Bb chord