ChordB♭maj13♯117-string bass · Standard B♭ major thirteenth sharp eleven · Frets 6–7 BEADGCF6R♯1173139noteB♭EADGCroleR♯1173139fret677777frets 6–7C0C1C2C3C4C5RootB♭1stD2ndF3rdA StrumArpeggio