ChordA7♭9♭138-string bass · Standard A dominant seventh flat nine flat thirteen · Frets 3–4 F♯BEADGCF3R♭73♭13♭95noteAGC♯FB♭EroleR♭73♭13♭95fret334334frets 3–4C0C1C2C3C4C5RootA1stC♯2ndE3rdG StrumArpeggio