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B♭ dominant 7th chord on piano

B♭7 is a dominant 7th chord built on B♭. It uses the notes B♭ - D - F - A♭ and sounds bluesy with a strong pull toward the next chord. It is also written as A♯ dominant 7th.

B♭ dominant 7th chord keyboard diagram: B♭, D, F, A♭DFB♭A♭
Notes
B♭ D F A♭
Formula
1 - 3 - 5 - ♭7
Right hand fingering
1 - 2 - 3 - 5
Left hand fingering
5 - 3 - 2 - 1
Chord symbol
B♭7

How to play B♭7 step by step

  1. Find B♭. B♭ is the last black key in each group of three. The same key is also called A♯.
  2. Add D, 4 half steps above B♭.
  3. Add F, 7 half steps above B♭.
  4. Add A♭, 10 half steps above B♭.
  5. Press all 4 keys together with fingers 1 - 2 - 3 - 5 of your right hand. Keep your wrist level and let the weight of your arm do the work.

B♭7 inversions

An inversion uses the same notes in a different order. Inversions let your hand move less between chords, which is how pianists make chord changes sound smooth.

B♭7 Root position: B♭, D, F, A♭DFB♭A♭
Root positionB♭ - D - F - A♭
B♭7 1st inversion: D, F, A♭, B♭DFA♭B♭
1st inversionD - F - A♭ - B♭
B♭7 2nd inversion: F, A♭, B♭, DFDA♭B♭
2nd inversionF - A♭ - B♭ - D
B♭7 3rd inversion: A♭, B♭, D, FDFA♭B♭
3rd inversionA♭ - B♭ - D - F

Frequently asked questions

What notes are in the B♭ dominant 7th chord?

The B♭ dominant 7th chord (B♭7) contains 4 notes: B♭, D, F, A♭. Its formula is 1 - 3 - 5 - ♭7.

How do you play B♭7 on piano?

Put your right-hand thumb on B♭ and play B♭, D, F, A♭ together using fingers 1 - 2 - 3 - 5. With the left hand, use fingers 5 - 3 - 2 - 1.

Is B♭ dominant 7th the same as A♯ dominant 7th?

Yes. B♭ dominant 7th and A♯ dominant 7th use exactly the same piano keys. The name you see depends on the key signature of the piece.

Other B♭ chords

Other dominant 7th chords