The Sofia Opera Wagner Festival has announced its 2026 slate. The company will present “Der Ring des Nibelungen” in a production directed by Plamen Kartaloff. Cast will be announced at a later date. Performance Dates: May 26 – 31, 2026 Plamen Kartaloff will also direct “Lohengrin.” Cast will be unveiled at a later date. Performance Dates: June 12, 2026 “Tannhäuser” will {…}