How do you play the A dim(no3)/A# chord?

To play the A dim(no3)/A# chord on piano, play the A dim(no3) chord (A and D#) 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 notes are in the A dim(no3)/A# chord?

The A dim(no3)/A# chord uses the 2 notes of the A dim(no3) chord — A (Perfect unison) and D# (Diminished fifth) — with A# played as the bass note in the lowest register.

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 dim(no3)/A# chord means a A dim(no3) chord with A# in the bass.

A dim(no3)/A#

The A dim(no3) chord consists of the A (Perfect unison) and D# (Diminished fifth) notes, with A# as the bass note.

How to play the A dim(no3)/A# chord

Play A# as the lowest bass note in the left hand
Find A (Root) on the piano keyboard
Add D# (Diminished fifth) — 6 semitones above A
Press all 3 notes simultaneously to sound the A dim(no3)/A# chord

Related chords with different root

D# sus(#4)
A Viennese trichord

Related slash chords

D# dim(no3)/A#