ChordB♭7♯117-string bass · Standard B♭ Lydian dominant seventh · Open position BEADGCFR♯11♭73noteB♭EA♭DFroleR♯11♭735fret12120frets 1–2C0C1C2C3C4C5RootB♭1stD2ndF3rdA♭ StrumArpeggio