The 7sus4 chord is formed by the intervals root (1), perfect fourth (4), perfect fifth (5) and minor seventh (b7). In this chord thus sound the notes B♭, E♭, F and A♭. To hear the B♭7sus4, 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.