C sharp suspended fourth piano chord (C#sus4)

Also written Dbsus4 (D flat suspended fourth)

In a sus4 chord, the third is replaced by the fourth. Its tension naturally resolves to the major chord: a very common move in pop and rock.

On the keyboard

Chord notes

NoteInterval
C♯ (C sharp)root
F♯ (F sharp)perfect fourth
G♯ (G sharp)perfect fifth

Formula: 1 – 4 – 5 · C♯ – F♯ – G♯

A progression with this chord

  1. C♯sus4Isus4
  2. C♯I

The suspended chord resolves to the major chord on the same root: you hear it in countless pop and rock intros.

Other C♯ chords

The same chord on other roots