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

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

E sus4/C#

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

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

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

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

How to play the E sus4/C# chord

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

Inversions with same root

C# m7(#5)
C# m7(alt)

Related chords with different root

A add2
A add9

Related slash chords

A sus2/C#
A 5(add9)/C#
B 11(sus4)/C#