Piano chord
C Sus2 Chord
Csus2 is a sus2 chord built on C. It contains the notes C – D – G.
Csus2
Also written: C2
- C
- D
- G
Notes in Csus2
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 |
| D | Major 2nd | 2 | 2 |
| G | Perfect 5th | 5 | 7 |
How to play Csus2 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.
Csus2 inversions
An inversion puts a different note of Csus2 at the bottom. The notes stay the same, the colour and voice leading change.
Root position
Csus2C – D – G
1st inversion
Csus2/DD – G – C
2nd inversion
Csus2/GG – C – D
About sus2 chords
Replace the 3rd with a 2nd and the chord becomes open and airy. No major or minor — just wide, uncolored sound.
Sound: Open & airy
Songs that use it
- Crazy · SealPop
- The Cave · Mumford & SonsFolk
- Add It Up · Violent FemmesAlternative
Keys that contain Csus2
Csus2 is built only from notes of these keys. The Roman numeral shows its role in each key.
Hear Csus2 with different sounds and compare it with other chords in the interactive builder.
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