How do you play the D# dim/A# chord?

To play the D# dim/A# chord on piano, play the D# dim chord (D#, F# and A) 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 D# dim/A# chord means a D# dim chord with A# in the bass.

D# dim/A#

Q: What notes are in the D# dim/A# chord?

The D# dim/A# chord uses the 3 notes of the D# dim chord — D# (Perfect unison), F# (Minor third) and A (Diminished fifth) — with A# played as the bass note in the lowest register.

The D# dim chord consists of the D# (Perfect unison), F# (Minor third) and A (Diminished fifth) notes, with A# as the bass note.

Piano keyboard showing the notes for a D# dim/A# chord

How to play the D# dim/A# chord

Play A# as the lowest bass note in the left hand
Find D# (Root) on the piano keyboard
Add F# (Minor third) — 3 semitones above D#
Add A (Diminished fifth) — 6 semitones above D#
Press all 4 notes simultaneously to sound the D# dim/A# chord