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

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

F# dim/D#

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

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

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

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

How to play the F# dim/D# chord

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

Inversions with same root

D# dim7

Related chords with different root

C dim7
F# dim7
A dim7