Piano chord · also written A♯7

B♭ Dominant 7th Piano Chord (B♭7)

The B♭ Dominant 7th chord on piano is made of the notes B♭, D, F and A♭. Bluesy and strong pull toward resolution. Foundation of blues and jazz.

B♭ Dominant 7th chord on a piano keyboard: B♭, D, F, A♭ C5C6 B♭ D F A♭

B♭7 B♭ – D – F – A♭

Tap any key to hear it.

Name any chord from its keys in the chord finder →

What notes are in B♭ Dominant 7th?

4 notes, built 1 – 3 – 5 – ♭7 up from B♭.

Notes
B♭ – D – F – A♭
Formula
1 – 3 – 5 – ♭7
Semitones from the root
0 – 4 – 7 – 10
Symbol
B♭7
Same keys as
A♯7 (A♯ – D – E♯ – G♯)
Chord type
Dominant 7th, 4 notes

How to play B♭ Dominant 7th on piano

  • Right hand: B♭ (1), D (2), F (3), A♭ (5). Fingers 1 – 2 – 3 – 5, thumb on B♭.
  • Left hand: B♭ (5), D (3), F (2), A♭ (1). Fingers 5 – 3 – 2 – 1, little finger on B♭.

Fingers are numbered 1 (thumb) to 5 (little finger) on both hands.

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B♭ Dominant 7th inversions

Each inversion puts a different note of the chord in the bass. Written as a slash chord: B♭7/D, B♭7/F, B♭7/A♭.

B♭ Dominant 7th root position on piano: B♭, D, F, A♭ B♭ D F A♭
Root position B♭7 B♭ – D – F – A♭ RH 1 – 2 – 3 – 5 · LH 5 – 3 – 2 – 1
B♭ Dominant 7th 1st inversion on piano: D, F, A♭, B♭ D F A♭ B♭
1st inversion B♭7/D D – F – A♭ – B♭ RH 1 – 2 – 3 – 5 · LH 5 – 3 – 2 – 1
B♭ Dominant 7th 2nd inversion on piano: F, A♭, B♭, D F A♭ B♭ D
2nd inversion B♭7/F F – A♭ – B♭ – D RH 1 – 2 – 3 – 5 · LH 5 – 3 – 2 – 1
B♭ Dominant 7th 3rd inversion on piano: A♭, B♭, D, F A♭ B♭ D F
3rd inversion B♭7/A♭ A♭ – B♭ – D – F RH 1 – 2 – 3 – 5 · LH 5 – 3 – 2 – 1

Progressions with B♭ Dominant 7th

Press play: the chords move across the keyboard as they sound, voiced so your hand barely moves.

ii–V–I

in E♭ major

  1. ii7 Fm7
  2. V7 B♭7
  3. Imaj7 E♭maj7
ii–V–I in E♭ major: Fm7, B♭7, E♭maj7 C E♭ F A♭

Minor cadence

in E♭ minor

  1. i E♭m
  2. iv G♯m
  3. V7 B♭7
  4. i E♭m
Minor cadence in E♭ minor: E♭m, G♯m, B♭7, E♭m B♭ E♭ G♭

Can you find B♭ Dominant 7th?

Tap the notes on the keyboard, then check. Six chords, starting with this one.

1 / 6 Tap the notes of B♭ Dominant 7th (B♭7)

Score 0

Any octave, any order. Each key you tap plays.

Practice keyboard: tap the notes of the chord

What key is B♭ Dominant 7th in?

The keys whose scale contains every note of B♭7, with the chord’s Roman numeral in each.

Major keys

  • E♭ majorV7

Minor keys

  • E♭ minorV7 (harmonic minor)
  • C minorVII7

B♭ Dominant 7th chord FAQ

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

B♭ Dominant 7th (B♭7) has 4 notes: B♭, D, F and A♭. Its formula is 1 – 3 – 5 – ♭7, counted up from B♭.

How do you play B♭ Dominant 7th on the piano?

Put your right thumb on B♭ and play B♭, D, F and A♭ with fingers 1 – 2 – 3 – 5. With the left hand, use fingers 5 – 3 – 2 – 1, little finger on B♭.

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

On the piano, yes: A♯7 (A♯, D, E♯, G♯) uses exactly the same keys as B♭7 (B♭, D, F, A♭). Which name is used depends on the key of the piece; B♭7 is the more common spelling.

What are the inversions of B♭ Dominant 7th?

1st inversion: D, F, A♭, B♭ (B♭7/D). 2nd inversion: F, A♭, B♭, D (B♭7/F). 3rd inversion: A♭, B♭, D, F (B♭7/A♭).

What key is B♭ Dominant 7th in?

B♭7 belongs to E♭ major (V7) and C minor (VII7).

Other B♭ chords

Dominant 7th chords on every root

Piano chord chart: all 264 chords Open B♭7 in the chord finder Free PDF chord chart Play it on the virtual piano