Bb9

The Bb9 chord sounds rich and funky, adding color to dominant harmony. It is built from the notes A#, D, F, G#, C, stacking 5 tones to create its distinctive sound. This chord is commonly heard in jazz, funk, and blues.

Notes: A# – D – F – G# – C  |  Formula: 1 – 3 – 5 – b7 – 9