Chord · 13ths
B♭13♭5 — B♭ 13th ♭5
B♭13♭5 is the B♭ 13th ♭5 chord. It is built on the root B♭ with major 3rd (D), diminished 5th (F♭), minor 7th (A♭), major 9th (C) and major 13th (G) above it — the formula 1 3 ♭5 ♭7 9 13, sounding the notes B♭ D F♭ A♭ C G. On the piano it sits at Bb (octave 3) and above in the library's voicing; the same 6 notes in any octave are still B♭13♭5.
- Root
- B♭
- Quality
- 13th ♭5
- Formula
- 1 3 ♭5 ♭7 9 13
- Notes
- B♭ D F♭ A♭ C G
On the keyboard
The notes of B♭13♭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♭ | minor 7th | A♭4 |
| 9 | C | major 9th | C5 |
| 13 | G | major 13th | G5 |
Other 13ths on B♭
13th ♭5 chords on every root
Part of the chord reference. See also the scales and the keys.