B♭13
B♭ Dominant 13th
1 3 5 ♭7 9 13
Notes in B♭13
B♭R
D3
F5
A♭♭7
C9
G13
The B♭13 chord contains 6 notes: B♭, D, F, A♭, C, G
Intervals
| Interval | Semitones | Note | Function |
|---|---|---|---|
| R | 0 | B♭ | Root |
| 3 | 4 | D | Major 3rd |
| 5 | 7 | F | Perfect 5th |
| ♭7 | 10 | A♭ | Minor 7th |
| 9 | 2 | C | Major 9th |
| 13 | 9 | G | Major 13th |
About B♭ Dominant 13th Chords
Dominant 13th chords are the largest standard chord, potentially containing all seven notes of the scale. Guitarists typically voice them selectively — root, 3rd, 7th, and 13th are the essential tones. They're smooth, jazzy, and sophisticated.
Compatible Scales & Modes
These scales contain all the notes of B♭13 and can be used for soloing, improvising, and writing melodies over this chord.
B♭ Mixolydian
Contains all chord tones including the 13th (6th).
B♭ Lydian Dominant
Mixolydian with ♯4 — common in jazz over dominant 13th chords.