ChordAm9♭55-string bass · Standard A half-diminished ninth · Frets 8–10 BEADG8R♭3♭79♭5noteACGBE♭roleR♭3♭79♭5fret1081098frets 8–10C0C1C2C3C4RootA1stC2ndE♭3rdG StrumArpeggio