How do you play the A# m(maj13)(#11)/D# chord?

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

A# m(maj13)(#11)/D#

Q: What notes are in the A# m(maj13)(#11)/D# chord?

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

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

Piano keyboard showing the notes for a A# m(maj13)(#11)/D# chord

How to play the A# m(maj13)(#11)/D# chord

Play D# as the lowest bass note in the left hand
Find A# (Root) on the piano keyboard
Add C# (Minor third) — 3 semitones above A#
Add F (Perfect fifth) — 7 semitones above A#
Add A (Major seventh) — 11 semitones above A#
Add C (Major ninth) — 14 semitones above A#
Add E (Augmented eleventh) — 18 semitones above A#
Add G (Major thirteenth) — 21 semitones above A#
Press all 8 notes simultaneously to sound the A# m(maj13)(#11)/D# chord