ChordB♭9♭136-string bass · Standard B♭ dominant ninth flat thirteen · Frets 5–6 BEADGC5R3♭79♭13noteB♭DA♭CG♭roleR3♭79♭13fret65656frets 5–6C0C1C2C3C4C5RootB♭1stD2ndF3rdA♭ StrumArpeggio