ChordC7♭9♯117-string bass · Standard C dominant seventh flat nine sharp eleven · Open position BEADGCFR♭73♭9♯11noteCB♭EGD♭F♯roleR♭735♭9♯11fret112011frets 1–2C0C1C2C3C4C5RootC1stE2ndG3rdB♭ StrumArpeggio