Chord · 9ths
B♭maj9♭5 — B♭ Major 9th ♭5
B♭maj9♭5 is the B♭ major 9th ♭5 chord. It is built on the root B♭ with major 3rd (D), diminished 5th (F♭), major 7th (A) and major 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 Bb (octave 3) and above in the library's voicing; the same 5 notes in any octave are still B♭maj9♭5.
- Root
- B♭
- Quality
- Major 9th ♭5
- Formula
- 1 3 ♭5 7 9
- Notes
- B♭ D F♭ A C
On the keyboard
The notes of B♭maj9♭5
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | B♭ | root | B♭3 |
| 3 | D | major 3rd | D4 |
| ♭5 | F♭ | diminished 5th | F♭4 |
| 7 | A | major 7th | A4 |
| 9 | C | major 9th | C5 |
Other 9ths on B♭
Major 9th ♭5 chords on every root
Part of the chord reference. See also the scales and the keys.