Chord · Altered Dom.
B7♯5♭9/11 — B Altered ♯5♭9 / 11th
B7♯5♭9/11 is the B altered ♯5♭9 / 11th chord. It is built on the root B with major 3rd (D♯), augmented 5th (F𝄪), minor 7th (A), minor 9th (C) and perfect 11th (E) above it — the formula 1 3 ♯5 ♭7 ♭9 11, sounding the notes B D♯ F𝄪 A C E. On the piano it sits at B (octave 3) and above in the library's voicing; the same 6 notes in any octave are still B7♯5♭9/11.
- Root
- B
- Quality
- Altered ♯5♭9 / 11th
- Formula
- 1 3 ♯5 ♭7 ♭9 11
- Notes
- B D♯ F𝄪 A C E
On the keyboard
The notes of B7♯5♭9/11
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | B | root | B3 |
| 3 | D♯ | major 3rd | D♯4 |
| ♯5 | F𝄪 | augmented 5th | F♯♯4 |
| ♭7 | A | minor 7th | A4 |
| ♭9 | C | minor 9th | C5 |
| 11 | E | perfect 11th | E5 |
Other altered dom. on B
Altered ♯5♭9 / 11th chords on every root
Part of the chord reference. See also the scales and the keys.