A9

The A9 chord sounds rich and funky, adding color to dominant harmony. It is built from the notes A, C#, E, G, B, stacking 5 tones to create its distinctive sound. This chord is commonly heard in jazz, funk, and blues.

Notes: A – C# – E – G – B  |  Formula: 1 – 3 – 5 – b7 – 9