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B 7♯9♯11

Notes: B – D♯ – F♯ – A – C♯♯ – E♯
Degrees: 1 – 3 – 5 – ♭7 – ♯9 – ♯11Also written: B7♯9♯11Lower C♯♯ to C♯ and it is B9♯11. B, D♯, E♯, F♯ and A do not move.

The B 7♯9♯11 chord is a six-note chord made up of B, D♯, F♯, A, C♯♯, and E♯.

B 7♯9♯11 chord: B, D♯, F♯, A, C♯♯, E♯

It is built from a root, major third, perfect fifth, minor seventh, augmented ninth, and augmented eleventh.

A dominant 7th with raised 9th AND raised 11th: maximally tense, the late-Coltrane altered sound.

Construction

B 7♯9♯11 = Root + Major 3rd + Perfect 5th + Minor 7th + Minor 3rd + Diminished 5th = B, D♯, F♯, A, C♯♯, E♯
NoteIntervalDegree
BRoot1
D♯Major 3rd3
F♯Perfect 5th5
AMinor 7th♭7
C♯♯Minor 3rd♭3
E♯Diminished 5th♭5

B 7♯9♯11 : Frequently Asked Questions

What is the B 7♯9♯11 chord on piano?
The B 7♯9♯11 chord contains the notes B – D♯ – F♯ – A – C♯♯ – E♯. On piano, play these notes together to sound the chord.
What notes are in the B 7♯9♯11 chord?
The B 7♯9♯11 chord (B7♯9♯11) contains 6 notes: B, D#, F#, A, D, F. Formula: R-M3-P5-m7-A9-A11.
How is B7♯9♯11 used in music?
B7♯9♯11 is used in jazz, fusion, and contemporary music to add harmonic color. It appears as a dominant or tonic chord depending on context.
What is the scale degree formula for B7♯9♯11?
B7♯9♯11 uses scale degrees 1-3-5-b7-#9-#11, giving it its distinctive sound.

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