B13
B Dominant 13th
1 3 5 ♭7 9 13
Notes in B13
BR
E♭3
F♯5
A♭7
C♯9
A♭13
The B13 chord contains 6 notes: B, E♭, F♯, A, C♯, A♭
Intervals
| Interval | Semitones | Note | Function |
|---|---|---|---|
| R | 0 | B | Root |
| 3 | 4 | E♭ | Major 3rd |
| 5 | 7 | F♯ | Perfect 5th |
| ♭7 | 10 | A | Minor 7th |
| 9 | 2 | C♯ | Major 9th |
| 13 | 9 | A♭ | 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 B13 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.