The C 7sus4 chord is a four-note chord made up of C, F, G, and B♭. It is built from a root, perfect fourth, perfect fifth, and minor seventh.
Construction
C 7sus4 = Root + Perfect 4th + Perfect 5th + Minor 7th = C · F · G · B♭
| Note | Interval | Degree |
|---|---|---|
| C | Root | 1 |
| F | Perfect 4th | 11 |
| G | Perfect 5th | 5 |
| B♭ | Minor 7th | ♭7 |
C 7sus4 Inversions
| Position | Notes |
|---|---|
| Root Position | C – F – G – B♭ |
| 1st Inversion | F – G – B♭ – C |
| 2nd Inversion | G – B♭ – C – F |
| 3rd Inversion | B♭ – C – F – G |
Key Signature
A chord has no key signature of its own, but the C 7sus4 is the tonic (I) chord of C Major, whose key signature has no sharps or flats.
Chords in the Key of C Major
These are the triads built on each degree of the C major scale:
C 7sus4 — Frequently Asked Questions
What is the C 7sus4 chord on piano?
The C 7sus4 chord contains the notes C – F – G – B♭. On piano, play these notes together to sound the chord.
What notes are in the C 7sus4 chord?
The C 7sus4 chord (C7sus4) contains 4 notes: C, F, G, Bb. Formula: R-P4-P5-m7.
How is C7sus4 used in music?
C7sus4 is used in jazz, fusion, and contemporary music to add harmonic color. It appears as a dominant or tonic chord depending on context.
What is the scale degree formula for C7sus4?
C7sus4 uses scale degrees 1-4-5-b7, giving it its distinctive sound.