How do you play the A# sus4/C# chord?

To play the A# sus4/C# chord on piano, play the A# sus4 chord (A#, D# and F) 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 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# sus4/C# chord means a A# sus4 chord with C# in the bass.

A# sus4/C#

Q: What notes are in the A# sus4/C# chord?

The A# sus4/C# chord uses the 3 notes of the A# sus4 chord — A# (Perfect unison), D# (Perfect fourth) and F (Perfect fifth) — with C# played as the bass note in the lowest register.

The A# sus4 chord consists of the A# (Perfect unison), D# (Perfect fourth) and F (Perfect fifth) notes, with C# as the bass note.

Piano keyboard showing the notes for a A# sus4/C# chord

How to play the A# sus4/C# chord

Play C# as the lowest bass note in the left hand
Find A# (Root) on the piano keyboard
Add D# (Perfect fourth) — 5 semitones above A#
Add F (Perfect fifth) — 7 semitones above A#
Press all 4 notes simultaneously to sound the A# sus4/C# chord

Related chords with different root

D# 7(sus2)
D# 9(sus2)
A# m(add11)

Related slash chords

D# sus2/C#
D# 5(add9)/C#
F 11(sus4)/C#