Learn › Bbsus4 Chord on Piano (B Flat Suspended 4th)
New Released in April 2026
Bbsus4 Chord on Piano (B Flat Suspended 4th)
Bbsus4, the B flat suspended 4th chord, is the major triad Bb with its third D lifted to the 4th, Eb. Its notes on the piano are Bb, Eb and F. Its sound: held in the air until Eb drops to D.
No account, no download. The demo has limited content. Advanced features are in ChordRunner Premium.
- MIDI keyboard
- Digital or acoustic piano
- Guitar
- Computer, phone or tablet
Ways to place Bbsus4 on the keys
Learn them in pairs: root position first, then the one that keeps the most notes still.
Root position: Bb Eb F
1st inversion: Eb F Bb
2nd inversion: F Bb Eb
Fingering
| Right hand | Bb Eb F | 1 4 5 |
|---|---|---|
| Left hand | Bb Eb F | 5 2 1 |
A second name for the same keys
The notes of Bbsus4 also spell Ebsus2: start from Eb and you get root, 2nd and 5th of Eb. Same keys, two names, and the lowest note picks the one you hear.
Building Bbsus4 from Bb
Formula 1 4 5. Count from Bb and every number is a step of the Bb major scale, and a b lowers it by one key.
Start chord: Bb
| Note | Step | Interval | Keys from Bb |
|---|---|---|---|
| Bb | 1 | root | 0 |
| Eb | 4 | perfect 4th | 5 |
| F | 5 | perfect 5th | 7 |
Make Bbsus4 automatic
- Say the notes out loud while you press them: Bb, Eb and F.
- Play Bb, then Bbsus4, then Bb again, and hear what the 4th pulls back toward the third.
- Alternate root position and 1st inversion, keeping shared notes still.
- Last, meet Bbsus4 mixed with chords you already know, in an order you did not plan.
Keep each session short and frequent and Bbsus4 will become automatic.
When to play Bbsus4
- The classic move is Bbsus4 → Bb: the 4th Eb falls one step to the third D and the tension melts.
- You can use it in Bb major, F major and Eb major, wherever Bb itself fits.
Play Bbsus4 in a game
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
What notes are in the Bbsus4 chord?
Bbsus4 has 3 notes: Bb, Eb and F. Formula 1 4 5.
Is Bbsus4 the same as Ebsus2?
Same keys, yes: Bbsus4 and Ebsus2 contain Bb, Eb and F. The name follows the bass note, Bb for Bbsus4 and Eb for Ebsus2.
Where is Bbsus4 used?
The classic move is Bbsus4 → Bb: the 4th Eb falls one step to the third D and the tension melts. You can use it in Bb major, F major and Eb major, wherever Bb itself fits.
Can I practise Bbsus4 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 Bb, Eb and F 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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