How do you play the Bb maj13(#11)/Db chord?

To play the Bb maj13(#11)/Db chord on piano, play the Bb maj13(#11) chord (Bb, D, F, A, C, E and G) with Db as the lowest bass note. Place the Db 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 maj13(#11)/Db chord means a Bb maj13(#11) chord with Db in the bass.

Bb maj13(#11)/Db

Q: What notes are in the Bb maj13(#11)/Db chord?

The Bb maj13(#11)/Db chord uses the 7 notes of the Bb maj13(#11) chord — Bb (Perfect unison), D (Major third), F (Perfect fifth), A (Major seventh), C (Major ninth), E (Augmented eleventh) and G (Major thirteenth) — with Db played as the bass note in the lowest register.

The Bb maj13(#11) chord consists of the Bb (Perfect unison), D (Major third), F (Perfect fifth), A (Major seventh), C (Major ninth), E (Augmented eleventh) and G (Major thirteenth) notes, with Db as the bass note.

Piano keyboard showing the notes for a Bb maj13(#11)/Db chord

How to play the Bb maj13(#11)/Db chord

Play Db 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 A (Major seventh) — 11 semitones above Bb
Add C (Major ninth) — 14 semitones above Bb
Add E (Augmented eleventh) — 18 semitones above Bb
Add G (Major thirteenth) — 21 semitones above Bb
Press all 8 notes simultaneously to sound the Bb maj13(#11)/Db chord