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

Inversions with same root

C m7(add4)(no5)
C m7(add11)(no5)

Related chords with different root

F 7(sus4)
A# sus2(add4)

Related slash chords

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