ChordB♭7♭136-string bass · Standard B♭ dominant seventh flat thirteen · Frets 6–8 BEADGC6R5♭73♭13noteB♭FA♭DG♭roleR5♭73♭13fret68676frets 6–8C0C1C2C3C4C5RootB♭1stD2ndF3rdA♭ StrumArpeggio