ChordB♭7♯9♯116-string bass · Standard B♭ dominant seventh sharp nine sharp eleven · Frets 4–6 BEADGC4R3♭7♯9♯11noteB♭DA♭C♯EroleR3♭7♯9♯11fret65664frets 4–6C0C1C2C3C4C5RootB♭1stD2ndF3rdA♭ StrumArpeggio