Chord · 9ths

Bm9♭5 — B Minor 9th ♭5

Bm9♭5 is the B minor 9th ♭5 chord. It is built on the root B with minor 3rd (D), diminished 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 Bm9♭5.

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

On the keyboard

Bm9♭5 on the piano keyboard: B D F A C♯BDFAC♯

The notes of Bm9♭5

DegreeNoteInterval from the rootPitch
1BrootB3
♭3Dminor 3rdD4
♭5Fdiminished 5thF4
♭7Aminor 7thA4
9C♯major 9thC♯5

Other 9ths on B

Minor 9th ♭5 chords on every root

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