The Rotterdam Philharmonic Orchestra, one of the world's best symphony orchestras, annually performs the Gergiev Festival, showcasing its illustrious head conductor Valery Gergiev. Gergiev has conducted all the world's major symphony orchestras, including the New York Philharmonic, the Vienna Philharmonic, the Royal Philharmonic and the Los Angeles Symphony Orchestra. Currently, Maestro Gergiev is a permanent guest conductor of the Metropolitan Opera in New York. ...