Juilliard Quartet We meet up with Fred Child in our studio away from home in the Schloss Leopoldskron in Salzburg with the Juilliard Quartet. He hosts as the quartet plays a performance especially for PT of the "Andante Cantabile" from Mozart's first Haydn Quartet, No. 14 in G, K. 387. Then, the Allegro finale of one of the "Prussian Quartets," the Quartet no. 23 in F, K. 590.