Construction
C 9sus4 = Root + Perfect 4th + Perfect 5th + Minor 7th + Major 2nd = C, F, G, B♭, D
| Note | Interval | Degree |
|---|---|---|
| C | Root | 1 |
| F | Perfect 4th | 11 |
| G | Perfect 5th | 5 |
| B♭ | Minor 7th | ♭7 |
| D | Major 2nd | 9 |
How to Play the C 9sus4
Right Hand (RH)
Place your right hand over the keys with the thumb on the root. Use the fingering: 1 – 2 – 3 – 4 – 5
Left Hand (LH)
For the left hand, start with your pinky on the root. Use the fingering: 5 – 4 – 3 – 2 – 1
Same Notes, Other Names
The notes C – F – G – B♭ – D aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell:
C 9sus4 : Frequently Asked Questions
What is the C 9sus4 chord on piano?
The C 9sus4 chord contains the notes C – F – G – B♭ – D. On piano, play these notes together to sound the chord.
What notes are in the C 9sus4 chord?
The C 9sus4 chord (C9sus4) contains 5 notes: C, F, G, Bb, D. Formula: R-P4-P5-m7-M9.
How is C9sus4 used in music?
C9sus4 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 C9sus4?
C9sus4 uses scale degrees 1-4-5-b7-9, giving it its distinctive sound.