ChordB♭7(add11)7-string bass · Standard B♭ dominant seventh added eleventh · Open position BEADGCFR11♭73noteB♭E♭A♭DFroleR11♭735fret11120frets 1–2C0C1C2C3C4C5RootB♭1stD2ndF3rdA♭ StrumArpeggio