Andriy Yurkevych has been named the new music director of the State Opera in Prague. He will begin his new position immediately, taking over for Karl-Heinz-Steffens. His first performances in the new position will be of a production of Verdi’s “La Traviata,” which opens on Sept. 3. He will follow that up with a performance of “Tosca” on Sept. 4, {…}