ChordB♭9sus48-string bass · Standard B♭ ninth suspended fourth · Open position F♯BEADGCFR4♭7noteB♭E♭A♭CFroleR4♭795fret11100fret 1C0C1C2C3C4C5RootB♭1stE♭2ndF3rdA♭ StrumArpeggio