Piano chord
C Sus4 Chord
Csus4 is a sus4 chord built on C. It contains the notes C – F – G.
Csus4
Also written: Csus
- C
- F
- G
Notes in Csus4
Count up from C using the intervals below. The formula shows each note relative to the C major scale.
| Notes | Intervals | Formula | Semitones |
|---|---|---|---|
| C | Root | 1 | 0 |
| F | Perfect 4th | 4 | 5 |
| G | Perfect 5th | 5 | 7 |
How to play Csus4 on piano
- Right hand: fingers 1–3–5 (thumb on C).
- Left hand: fingers 5–3–1 (little finger on the lowest note).
- Press the keys together, then try playing them one at a time as an arpeggio.
Csus4 inversions
An inversion puts a different note of Csus4 at the bottom. The notes stay the same, the colour and voice leading change.
Root position
Csus4C – F – G
1st inversion
Csus4/FF – G – C
2nd inversion
Csus4/GG – C – F
About sus4 chords
The 4th replaces the 3rd, creating anticipation — the chord leans forward, wanting to fall back to the major.
Sound: Tense & anticipating
Songs that use it
- Pinball Wizard · The WhoRock
- The Boxer · Simon & GarfunkelFolk
- More Than a Feeling · BostonRock
Keys that contain Csus4
Csus4 is built only from notes of these keys. The Roman numeral shows its role in each key.
Hear Csus4 with different sounds and compare it with other chords in the interactive builder.
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