Root Notes: C | C# or Db | D | D# or Eb | E | F | F# or Gb | G | G# or Ab | A | A# or Bb | B


A#13b9
  • Scale intervals: - 1, 3, 5, #6, #8, 11, 13
  • Notes in the chord: - A#, D, F, G#, B, D#, G
A#13b9 - X 1 0 1 0 3
A#13b9 - 6 8 6 7 8 7
A#13b9 - X 13 12 13 12 15
A#13b9 - 18 20 18 19 20 19