The Chamber Music Festival Mainstage Concert III is at the Fasig-Tipton Favilion at 2 pm on Sunday, August 30. "Program: Astor Piazzolla - Cafe 1930 Astor Piazzolla, arr. Vieaux - Oblivion Robert Schumann - Fantaisiestucke Luigi Boccherini - Quintet for string quartet and guitar — Ludwig van Beethoven - String Quartet Op. 135"