 One of the festival's characteristics is the world premiere of a new opera, as well as at least one rediscovered opera from former centuries, performed on period instruments.Concerts have featured well-known artists such as Gidon Kremer, Jorge Bolet and Cecilia Bartoli, as well as young artists at the start of their careers.Singers of the caliber of Barbara Hendricks, Fritz Wunderlich and Teresa Berganza have performed at the festival as beginners and have all gone on to major careers.