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B flat seventh suspended fourth chord (Bb7sus4) on piano

The B flat seventh suspended fourth chord (Bb7sus4) on piano has 4 notes: B flat, E flat, F, and A flat (B♭, E♭, F, A♭). On the keyboard below, the root (B flat) has the strongest color; each key shows the note name and the degree.

Notes
B♭E♭FA♭
Formula
145♭7

How to play Bb7sus4 on piano

Root position · From low to high: B♭ E♭ F A♭

Bb7sus4 chord (B flat seventh suspended fourth) on piano, root position: keys Bb, Eb, F, Ab

The small dot marks middle C (C4). Tap a key to hear the note.

Bb7sus4 chord inversions

Inverting a chord means putting another of its notes in the bass (the lowest key) without changing the notes. Inversions shorten the way your hand travels from one chord to the next and slightly change the color of the sound.

  1. 1st inversion (Bb7sus4/Eb)

    Bb7sus4/Eb: E flat (4) in the bass

    Bb7sus4/Eb chord (B flat seventh suspended fourth) on piano, 1st inversion: keys Eb, F, Ab, Bb

    From low to high: E♭ F A♭ B♭

  2. 2nd inversion (Bb7sus4/F)

    Bb7sus4/F: F (5) in the bass

    Bb7sus4/F chord (B flat seventh suspended fourth) on piano, 2nd inversion: keys F, Ab, Bb, Eb

    From low to high: F A♭ B♭ E♭

  3. 3rd inversion (Bb7sus4/Ab)

    Bb7sus4/Ab: A flat (♭7) in the bass

    Bb7sus4/Ab chord (B flat seventh suspended fourth) on piano, 3rd inversion: keys Ab, Bb, Eb, F

    From low to high: A♭ B♭ E♭ F

Notes and intervals of Bb7sus4

Bb7sus4 (B flat seventh suspended fourth) is built from 4 notes. Each one fills a degree of the chord:

  • B♭ · 1 · root
  • E♭ · 4 · perfect fourth
  • F · 5 · perfect fifth
  • A♭ · ♭7 · minor seventh

About the seventh suspended fourth chord

A dominant chord with the fourth in place of the third: it keeps the seventh but drops the tension of the tritone, so it sounds "suspended". Found in modern jazz, funk, gospel and as a lead-in to the regular dominant (G7sus4 → G7 → C).

Other B flat chords

Seventh suspended fourth: other roots

Frequently asked questions

What are the notes of the Bb7sus4 chord on piano?

Bb7sus4 (B flat seventh suspended fourth) has the notes B♭, E♭, F, A♭. The formula is 1 · 4 · 5 · ♭7: root, perfect fourth, perfect fifth, minor seventh.

How do you play Bb7sus4 on piano?

Find the B flat key and add the other notes above it: B♭, E♭, F, A♭. Play them all together.

What are the inversions of Bb7sus4?

1st inversion (Bb7sus4/Eb): E♭ F A♭ B♭; 2nd inversion (Bb7sus4/F): F A♭ B♭ E♭; 3rd inversion (Bb7sus4/Ab): A♭ B♭ E♭ F.

What does Bb7sus4 mean?

Bb7sus4 is the chord symbol for B flat seventh suspended fourth. A dominant chord with the fourth in place of the third: it keeps the seventh but drops the tension of the tritone, so it sounds "suspended". Found in modern jazz, funk, gospel and as a lead-in to the regular dominant (G7sus4 → G7 → C).

Is the Bb7sus4 chord the same on piano and keyboard?

Yes. The notes and inversions are the same on any keyboard instrument: acoustic piano, digital piano, keyboard, organ or synthesizer.

Bb7sus4 on other instruments

All piano chords