B flat dominant flat ninth piano chord - Bb7b9

The B flat dominant flat ninth chord is a 5-note chord consisting of the notes Bb, D, F, Ab and Cb.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as Bb7b9.

Interactive piano diagram for the B flat dominant flat ninth chord

Piano keyboard displaying the B flat dominant flat ninth chord with the notes A# Bb D E# F Cb B G# Ab

Reduced chords

Chords that are a subset of Bb7b9. These contain less notes but all of them are included in Bb7b9.

B flat dominant flat ninth piano chord chart image

In case you prefer a non-interactive variant of the chord chart, we've embedded a PNG image below that shows the notes for the the Bb7b9 chord. Feel free to save or share the image as needed.

Piano chord chart for the B flat dominant flat ninth chord (Bb7b9). The notes Bb, D, F, Ab and Cb are highlighted.