ChordB♭7♯9♯115-string bass · Standard B♭ dominant seventh sharp nine sharp eleven · Frets 9–11 BEADG9R3♭7♯9♯11noteB♭DA♭C♯EroleR3♭7♯9♯11fret111011119frets 9–11C0C1C2C3C4RootB♭1stD2ndF3rdA♭ StrumArpeggio