Sophie Shao returns to Danbury with guest artists Carmit Zori (violin), Rebecca Young (viola), Max Zeugner (bass), and Amy I-lin Cheng (piano) to perform Shubert's joyously lyrical Quintet for Piano and Strings (the "Trout"), some Mozart, and a work by Danbury's Charles Ives, to commemorate the 250th anniversary of the nation's founding.