Chord · 9ths

B9♯5 — B Dominant 9th ♯5

B9♯5 is the B dominant 9th ♯5 chord. It is built on the root B with major 3rd (D♯), augmented 5th (F𝄪), minor 7th (A) and major 9th (C♯) above it — the formula 1 3 ♯5 ♭7 9, sounding the notes B D♯ F𝄪 A C♯. On the piano it sits at B (octave 3) and above in the library's voicing; the same 5 notes in any octave are still B9♯5.

Root
B
Quality
Dominant 9th ♯5
Formula
1 3 ♯5 ♭7 9
Notes
B D♯ F𝄪 A C♯

On the keyboard

B9♯5 on the piano keyboard: B D♯ F𝄪 A C♯BD♯F𝄪AC♯

The notes of B9♯5

DegreeNoteInterval from the rootPitch
1BrootB3
3D♯major 3rdD♯4
♯5F𝄪augmented 5thF♯♯4
♭7Aminor 7thA4
9C♯major 9thC♯5

Other 9ths on B

Dominant 9th ♯5 chords on every root

Part of the chord reference. See also the scales and the keys.