The Longborough Opera Festival has announced its 2025 season. Justin Brown will conduct the UK premiere of Avner Dorman’s 21st century opera “Wahnfried: The Birth of the Wagner Cult,” a dramatic saga telling the remarkable story of the Wagner family. It stars Susan Bullock, Mark Le Brocq, Meeta Raval, Andrew Watts, Alexandra Lowe, Oskar McCarthy, David Horton, and Antoin Herrera-López {…}