Bb 9#11 Guitar Chord | Play, Hear and Master Interactively

Bb 9(#11) position 1 guitar chord diagram

The Bb9(#11) chord (Bb ninth sharp eleven) combines a root, a major third, a perfect fifth, a minor seventh, a ninth and a sharp eleventh, which gives Bb, D, F, Ab, C and E.

The three voicings in the tool run from fret 1 to fret 7: one uses open strings and two are barre shapes. Every tone of Bb9(#11) belongs to the Bb Lydian Dominant scale, the fourth mode of the melodic minor scale, which adds only a sixth.

Hear Bb9(#11) as a strum and as an arpeggio on the interactive fretboard at the top, one string at a time.

Bb 9th with sharp 11th guitar chord is also written as Bb9(#11), Bb9#11 or Bb9+11.

Notes in the Bb 9(#11) chord:

Bb D F Ab C E

Chord structure of the Dominant Ninth Sharp Eleventh Added chord:

Formula: 1 3 5 b7 9 #11

Bb 9(#11) Chord Interactive Fretboard

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Go to the full guitar chords tutorial.

Bb 9(#11) Guitar Chord Diagrams

Position 1 Barre Movable

Finger Positions

Mute the low E string
Mute the high E string
Place your index finger (1) on the fret 5 of the A, G and B strings at the same time
Place your middle finger (2) on the fret 6 of the D string

Position 2 Movable

Bb 9(#11) position 2 guitar chord diagram

Finger Positions

Mute the A string
Mute the high E string
Place your index finger (1) on the fret 5 of the B string
Place your middle finger (2) on the fret 6 of the low E string
Place your ring finger (3) on the fret 6 of the D string
Place your pinky finger (4) on the fret 7 of the G string

Position 3 Barre Open

Bb 9(#11) position 3 guitar chord diagram

Finger Positions

Let the low E string play without pressing any fret
Mute the A string
Let the D string play without pressing any fret
Place your index finger (1) on the fret 1 of the G, B and high E strings at the same time

Find more shapes in our all guitar chords online library. If you prefer a printable pdf, download the Free Guitar Chords Chart Pdf

Play This Chord With Other Roots

C 9(#11) | D 9(#11) | E 9(#11) | F 9(#11) | G 9(#11) | A 9(#11) | B 9(#11) | C#9(#11) | D#9(#11) | F#9(#11) | G#9(#11) | A#9(#11) | Ab9(#11) | Bb9(#11) | Db9(#11) | Eb9(#11) | Gb9(#11)

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Created by

Giancarlo Facoetti

Giancarlo is a musician (teaching guitar since 2000), software engineer, AI consultant and published researcher

FAQ

Which notes does Bb9(#11) contain?

Bb9(#11) is Bb, D, F, Ab, C and E. That is the root, major third, perfect fifth, minor seventh, ninth and sharp eleventh.

How many ways are there to play Bb9(#11)?

There are three valid voicings for Bb9(#11): one with open strings and two barre voicings. They run from fret 1 up to fret 7.

Can Bb9(#11) also be called A#9(#11)?

Yes, they share all six pitches. A#9(#11) spells them A#, C##, E#, G#, B# and D##, so Bb9(#11) is the easier name to read.

Which scale goes with Bb9(#11)?

The Bb Lydian Dominant scale has Bb, C, D, E, F, G and Ab. It covers all six chord tones and adds only G.

What does the sharp eleventh do in Bb9(#11)?

The sharp eleventh is E, a tritone away from the root Bb. It gives the dominant ninth a brighter, more open sound than a natural eleventh would.