How do you play the A# 3/C# chord?

To play the A# 3/C# chord on piano, play the A# 3 chord (A# and D) with C# as the lowest bass note. Place the C# note below the other chord tones. Slash chords specify a particular bass note different from the chord root.

What notes are in the A# 3/C# chord?

The A# 3/C# chord uses the 2 notes of the A# 3 chord — A# (Perfect unison) and D (Major third) — with C# 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# 3/C# chord means a A# 3 chord with C# in the bass.

A# 3/C#

The A# 3 chord consists of the A# (Perfect unison) and D (Major third) notes, with C# as the bass note.

Piano keyboard showing the notes for a A# 3/C# chord

How to play the A# 3/C# chord

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