Learn › Fsus4 Chord on Piano (F Suspended 4th)
New Released in April 2026
Fsus4 Chord on Piano (F Suspended 4th)
Fsus4, the F suspended 4th chord, is the major triad F with its third A lifted to the 4th, Bb. Its notes on the piano are F, Bb and C. Expect a sound that is held in the air until Bb drops to A.
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- MIDI keyboard
- Digital or acoustic piano
- Guitar
- Computer, phone or tablet
The chord hiding inside Fsus4
The notes of Fsus4 also spell Bbsus2: start from Bb and you get root, 2nd and 5th of Bb. Same keys, two names, and the lowest note picks the one you hear.
The formula of Fsus4
Formula 1 4 5. Count from F and every number is a step of the F major scale, and a b lowers it by one key.
Start chord: F
| Note | Step | Interval | Keys from F |
|---|---|---|---|
| F | 1 | root | 0 |
| Bb | 4 | perfect 4th | 5 |
| C | 5 | perfect 5th | 7 |
Ways to place Fsus4 on the keys
Same notes, different order. Pick the position closest to the chord you just played.
Root position: F Bb C
1st inversion: Bb C F
2nd inversion: C F Bb
Hands and fingers
| Right hand | F Bb C | 1 4 5 |
|---|---|---|
| Left hand | F Bb C | 5 2 1 |
A short Fsus4 routine
- Say the notes out loud while you press them: F, Bb and C.
- Play F, then Fsus4, then F again, and hear what the 4th pulls back toward the third.
- Alternate root position and 1st inversion, keeping shared notes still.
- Last, meet Fsus4 mixed with chords you already know, in an order you did not plan.
Come back to Fsus4 tomorrow: short daily sessions beat one long one.
When to play Fsus4
- The classic move is Fsus4 → F: the 4th Bb falls one step to the third A and the tension melts.
- You can use it in F major, C major and Bb major, wherever F itself fits.
Turn Fsus4 into a reflex
In ChordRunner every correct chord moves your runner forward. Plug in a MIDI keyboard or let the microphone listen to your piano. Suspended chords have their own level, "Suspended (sus2/sus4)".
Play the demoCommon questions
How do you play Fsus4 on the piano?
Press F, Bb and C together. Right hand 1 4 5, left hand 5 2 1.
Is Fsus4 the same as Bbsus2?
Same keys, yes: Fsus4 and Bbsus2 contain F, Bb and C. The name follows the bass note, F for Fsus4 and Bb for Bbsus2.
Where is Fsus4 used?
The classic move is Fsus4 → F: the 4th Bb falls one step to the third A and the tension melts. You can use it in F major, C major and Bb major, wherever F itself fits.
Can I practise Fsus4 with a MIDI keyboard or a real piano?
Yes. In ChordRunner a USB MIDI keyboard is detected automatically, and an acoustic or digital piano works through the microphone. The game checks that F, Bb and C sound together.
Your instrument is the controller.
ChordRunner is a browser game that teaches piano and guitar chords: a chord appears on screen, you play it on a real instrument, and your runner jumps. MIDI keyboard or microphone, both work.
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