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

To play the C# sus4/B chord on piano, play the C# sus4 chord (C#, F# and G#) with B as the lowest bass note. Place the B 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 C# sus4/B chord means a C# sus4 chord with B in the bass.

C# sus4/B

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

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

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

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

How to play the C# sus4/B chord

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

Related chords with different root

C# 7(sus4)
F# sus2(add4)
G# m7(add4)(no5)
G# m7(add11)(no5)

Related slash chords

F# sus2/B
F# 5(add9)/B
G# 11(sus4)/B