ChordA7♭9♭137-string bass · Standard A dominant seventh flat nine flat thirteen · Frets 5–6 BEADGCF5♭73♭13♭9noteAGC♯FB♭roleR♭73♭13♭9fret05655frets 5–6C0C1C2C3C4C5RootA1stC♯2ndE3rdG StrumArpeggio