B 9 sharp 11 Guitar Chord

B9♯11 9ths · 6 notes ·Symbol : 9♯11

Chord Notes

B R
Eb 3
Gb 5
A ♭7
Db 9
F ♯11

Solfège : Si – Mib – Solb – La – Réb – Fa

Chord Structure

B 2T Eb T+½ Gb T+½ A 2T Db 2T F

About this chord

The 9♯11 chord is the dominant ninth enriched with an augmented fourth (tritone), derived from the Lydian Mixolydian mode. This double tension creates a floating, very jazz-sounding color. Scott Henderson and Herbie Hancock use it on dominants to avoid clichés and maintain sophisticated harmonic language.

See all diagrams and fretboard positions for B 9 sharp 11 in the interactive ScalaBass app.

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Same chord in other keys