The A#m(add9) chord is formed by the intervals root (1), minor third (b3), perfect fifth (5) and major ninth (9). In this chord thus sound the notes A♯, C♯, E♯ and B♯. To hear the A♯m(add9), click on the chord diagram. To highlight some chords with a yellow background, click on top of the diagram. This selection can be saved by copying the link from the browser.