Vienna, one of the European musical capitals of the 18th to 20th centuries, was the home for some of the most important composers in history. At the heart of the First Viennese School of composition was the iconic Wolfgang Amadeus Mozart, and two of his divinely beautiful works bookend this program that feature Artistic Directors Gloria Chien and Soovin Kim. The revolutionary Second Viennese School is represented by Anton Webern’s hair-raising quintet transcription of Arnold Schoenberg’s first Chamber Symphony, played by the “Pierrot ensemble” Third Sound—a dynamic instrumental combination of violin, cello, flute, clarinet, and piano that sounds like a small orchestra.