The Händel International Festival in Göttingen will open its doors on May 20 and it is set to run through June 1. Here is a look at what is on offer. “Rodelinda” HWV 19 will feature Christina Gansch, Christopher Lowrey, Thomas Cooley, Franziska Gottwald, William Berger, and Owen Willetts, with Laurence Cummings conducting. Performance Dates: May 20, 22, 23, 26, 31, June 1, {…}