Construction
B♭ 9♯11 = Root + Major 3rd + Perfect 5th + Minor 7th + Major 2nd + Diminished 5th = B♭, D, F, A♭, C, E
| Note | Interval | Degree |
|---|---|---|
| B♭ | Root | 1 |
| D | Major 3rd | 3 |
| F | Perfect 5th | 5 |
| A♭ | Minor 7th | ♭7 |
| C | Major 2nd | 9 |
| E | Diminished 5th | ♭5 |
B♭ 9♯11 : Frequently Asked Questions
What is the B♭ 9♯11 chord on piano?
The B♭ 9♯11 chord contains the notes B♭ – D – F – A♭ – C – E. On piano, play these notes together to sound the chord.