Bb7sus4 chord (B flat dominant seventh suspended fourth) on piano
Bb7sus4 (B flat dominant seventh suspended fourth) has four notes: B flat, E flat, F and A flat. Its formula is 1, 4, 5, b7. In major keys, Bb7sus4 is the II7sus4 chord in Ab major, the III7sus4 in F# major, the V7sus4 in Eb major and the VI7sus4 in Db major.
Bb7sus4 inversions and fingering
Bb Eb F Ab · RH 1-2-3-5 · LH 5-3-2-1
Eb F Ab Bb · RH 1-2-4-5 · LH 5-4-2-1
F Ab Bb Eb · RH 1-2-3-5 · LH 5-3-2-1
Ab Bb Eb F · RH 1-2-4-5 · LH 5-4-2-1
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| Symbol | Bb7sus4 |
|---|---|
| Also written | Bb7sus |
| Notes | Bb Eb F Ab |
| Formula | 1 4 5 b7 |
| Intervals | root, perfect fourth, perfect fifth, minor seventh |
| Type | Dominant seventh suspended fourth chord |
Bb7sus4 across the keyboard
Piano, C3 to C5. Notes in this scale, low to high: Eb3 (4), F3 (5), Ab3 (flat 7), Bb3 (1), Eb4 (4), F4 (5), Ab4 (flat 7), Bb4 (1).
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Questions
What notes are in the Bb7sus4 chord?
Bb7sus4 (B flat dominant seventh suspended fourth) has four notes: B flat, E flat, F and A flat. Its formula is 1, 4, 5, b7. Bb is the root, Eb is the perfect fourth, F is the perfect fifth and Ab is the minor seventh.
How do you play Bb7sus4 on piano?
Play Bb, Eb, F and Ab together. Root position: Bb Eb F Ab · RH 1-2-3-5 · LH 5-3-2-1.
What key is Bb7sus4 in?
In major keys, Bb7sus4 is the II7sus4 chord in Ab major, the III7sus4 in F# major, the V7sus4 in Eb major and the VI7sus4 in Db major. It is diatonic to those keys, so it fits songs in any of them.
What is the difference between Bb7sus4 and Bb7?
Bb7sus4 and Bb7 share Bb, F and Ab. Bb7sus4 has Eb, the 4th, where Bb7 has D, the 3rd.