ChordB♭7♯9♭136-string bass · Standard B♭ dominant seventh sharp nine flat thirteen · Frets 5–6 BEADGC5R3♭7♯9♭13noteB♭DA♭C♯G♭roleR3♭7♯9♭13fret65666frets 5–6C0C1C2C3C4C5RootB♭1stD2ndF3rdA♭ StrumArpeggio