The F 7sus4 chord is a four-note chord made up of F, B♭, C, and E♭. It is built from a root, perfect fourth, perfect fifth, and minor seventh.
Construction
F 7sus4 = Root + Perfect 4th + Perfect 5th + Minor 7th = F · B♭ · C · E♭
| Note | Interval | Degree |
|---|---|---|
| F | Root | 1 |
| B♭ | Perfect 4th | 11 |
| C | Perfect 5th | 5 |
| E♭ | Minor 7th | ♭7 |
F 7sus4 Inversions
| Position | Notes |
|---|---|
| Root Position | F – B♭ – C – E♭ |
| 1st Inversion | B♭ – C – E♭ – F |
| 2nd Inversion | C – E♭ – F – B♭ |
| 3rd Inversion | E♭ – F – B♭ – C |
Key Signature
A chord has no key signature of its own, but the F 7sus4 is the tonic (I) chord of F Major, whose key signature has 1 flat (B♭).
B♭
Order of flats
Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.
B♭E♭A♭D♭G♭C♭F♭
Mnemonic: Battle Ends And Down Goes Charles’ Father
Chords in the Key of F Major
These are the triads built on each degree of the F major scale:
F 7sus4 — Frequently Asked Questions
What is the F 7sus4 chord on piano?
The F 7sus4 chord contains the notes F – B♭ – C – E♭. On piano, play these notes together to sound the chord.
What notes are in the F 7sus4 chord?
The F 7sus4 chord (F7sus4) contains 4 notes: F, Bb, C, Eb. Formula: R-P4-P5-m7.
How is F7sus4 used in music?
F7sus4 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 F7sus4?
F7sus4 uses scale degrees 1-4-5-b7, giving it its distinctive sound.