So much of the great string quartet repertoire has come from Czech composers; there has come to be a deep appreciation among chamber music fans for what is known as “the Czech tradition.” The Zemlinksy Quartet has become a much-lauded example of that tradition, winning top prizes in international competitions and releasing a library of critically acclaimed recordings. In their Virginia Arts Festival debut, Van Cliburn Gold Medal-awarded pianist Olga Kern joins the ensemble for an evening of chamber classics, including Dvořák's fiery Piano Quintet No. 2.