Mozart's only home in Vienna preserved until today is the "Figarohaus", located behind St. Stephen's Cathedral (Domgasse 5). Mozart lived here from October 1784 until April 1787, nearly two and a half years. It is here where he played his most mature compositions. Joseph Haydn pays him a visit here - Mozart dedicates six string quartets to him. He further composes eleven piano concertos, the horn concerto, and the opera "Le Nozze di Figaro" (Premiere: May 1, 1786)