How do you play the B sus4/C chord?

To play the B sus4/C chord on piano, play the B sus4 chord (B, E 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 B sus4/C chord means a B sus4 chord with C in the bass.

B sus4/C

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

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

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

Piano keyboard showing the notes for a B sus4/C chord

How to play the B sus4/C chord

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

Inversions with same root

C maj7(b5)

Related chords with different root

F# 11(b5)(sus4)

Related slash chords

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