ChordB♭9♭135-string bass · Standard B♭ dominant ninth flat thirteen · Frets 10–11 BEADG10R3♭79♭13noteB♭DA♭CG♭roleR3♭79♭13fret1110111011frets 10–11C0C1C2C3C4RootB♭1stD2ndF3rdA♭ StrumArpeggio