Bb13(#11) Guitar Chord Diagrams | Bb Dominant Thirteen Sharp Eleventh

Bb 13(#11) guitar chord shapes

Built on Bb, the Bb13(#11) chord (Bb thirteenth sharp eleven) combines a root, a major third, a perfect fifth, a minor seventh, a ninth, a sharp eleventh and a thirteenth, which gives Bb, D, F, Ab, C, E and G.

The E is the raised eleventh, a tritone above the root Bb, and it takes the place of the natural eleventh that would clash with the major third D. Every tone of the chord sits inside the Bb Lydian Dominant scale, the fourth mode of the melodic minor scale.

The major third D and the minor seventh Ab form the tritone that drives the dominant pull toward the chord a fourth above Bb.

Bb 13th with sharp 11th guitar chord is also written as Bb13(#11), Bb13#11 or Bb13+11.

Bb13(#11) Chord Notes and Formula

Bb 13(#11) chord Notes:

Bb D F Ab C E G

Tones in the Dominant Thirteen Sharp Eleventh chord:

Formula: 1 3 5 b7 9 #11 13

Same chord, different name: Bb13(#11) is also written as A#13(#11) (A# thirteenth sharp eleven).

Bb 13(#11) Chord Interactive Fretboard

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Chords That Go With Bb13(#11)

One key where Bb13(#11) fits is Eb major, where it works as the V chord. These are the main chords of that key, the ones you will often hear around it:

See every key in the guitar keys chart, or build a progression with these chords in the chord progression generator.


More Bb Chords

Want to know how this chord is built? Read dominant chords explained, or browse all Bb guitar chords.


Play This Chord With Other Roots

C 13(#11) | D 13(#11) | E 13(#11) | F 13(#11) | G 13(#11) | A 13(#11) | B 13(#11) | C#13(#11) | D#13(#11) | F#13(#11) | G#13(#11) | A#13(#11) | Ab13(#11) | Bb13(#11) | Db13(#11) | Eb13(#11) | Gb13(#11)


FAQ

What are the notes of Bb13(#11)?

Bb13(#11) is spelled Bb, D, F, Ab, C, E and G. It stacks a major third, perfect fifth, minor seventh, ninth, sharp eleventh and thirteenth over Bb.

Are Bb13(#11) and A#13(#11) the same chord?

Yes, they share every pitch. A#13(#11) spells them A#, C##, E#, G#, B#, D## and F##, so Bb13(#11) is the cleaner name.

What does the E in Bb13(#11) represent?

E is the sharp eleventh. The perfect eleventh over Bb is Eb, and raising it a half step gives E natural, a tritone from the root.

Which scale suits Bb13(#11)?

The Bb Lydian Dominant scale spells Bb, C, D, E, F, G and Ab. The scale and the chord share the same seven notes.