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