root position: Bb7
B♭ – D – F – A♭
Bb7 Piano Chord
The B flat dominant 7 chord (B♭7) is made of the notes B♭, D, F and A♭. Its formula is 1 – 3 – 5 – ♭7.
Notes in B♭7
| Note | Formula | Interval from root |
|---|---|---|
| B♭ | 1 | root |
| D | 3 | major 3rd |
| F | 5 | perfect 5th |
| A♭ | ♭7 | minor 7th |
How to play B♭7 on piano
- Right hand: fingers 1-2-3-5
- Left hand: fingers 5-3-2-1
Fingers are numbered from the thumb (1) to the little finger (5).
B♭7 inversions
1st inversion: Bb7/D
D – F – A♭ – B♭
2nd inversion: Bb7/F
F – A♭ – B♭ – D
3rd inversion: Bb7/Ab
A♭ – B♭ – D – F
Other names for Bb7
B♭7 is also written as B♭7, Bbdom7, B♭dom7, A#7, A♯7, A#dom7, A♯dom7.