How do you play the F# sus2(add4)/C# chord?

To play the F# sus2(add4)/C# chord on piano, play the F# sus2(add4) chord (F#, G#, B and C#) 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 F# sus2(add4)/C# chord means a F# sus2(add4) chord with C# in the bass.

F# sus2(add4)/C#

Q: What notes are in the F# sus2(add4)/C# chord?

The F# sus2(add4)/C# chord uses the 4 notes of the F# sus2(add4) chord — F# (Perfect unison), G# (Major second), B (Perfect fourth) and C# (Perfect fifth) — with C# played as the bass note in the lowest register.

The F# sus2(add4) chord consists of the F# (Perfect unison), G# (Major second), B (Perfect fourth) and C# (Perfect fifth) notes, with C# as the bass note.

Piano keyboard showing the notes for a F# sus2(add4)/C# chord

How to play the F# sus2(add4)/C# chord

Play C# as the lowest bass note in the left hand
Find F# (Root) on the piano keyboard
Add G# (Major second) — 2 semitones above F#
Add B (Perfect fourth) — 5 semitones above F#
Add C# (Perfect fifth) — 7 semitones above F#
Press all 5 notes simultaneously to sound the F# sus2(add4)/C# chord

Inversions with same root

C# 7(sus4)

Related chords with different root

F# sus2(add4)
G# m7(add4)(no5)
G# m7(add11)(no5)

Related slash chords

G# m7(no5)/C#
G# m7(#9)(no5)/C#
B 6(sus)/C#