B flat dominant sharp ninth piano chord - Bb7#9

The B flat dominant sharp ninth chord is a 5-note chord consisting of the notes Bb, D, F, Ab and C#.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as Bb7#9.

Interactive piano diagram for the B flat dominant sharp ninth chord

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

Reduced chords

Chords that are a subset of Bb7#9. These contain less notes but all of them are included in Bb7#9.

B flat dominant sharp 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 Bb7#9 chord. Feel free to save or share the image as needed.

Piano chord chart for the B flat dominant sharp ninth chord (Bb7#9). The notes Bb, D, F, Ab and C# are highlighted.