The B13b9 chord is formed by the intervals root (1), major third (3), perfect fifth (5), minor seventh (b7), minor ninth (b9) and major thirteenth (13). In this chord thus sound the notes B, D♯, F♯, A, C and G♯. To hear the B13b9, 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.