(Photo credit: Marco Facincani) Gilda Fiume will perform the title role of Norma at Bayerische Staatsoper on May 29. Fiume replaces Sonya Yoncheva. The cast is rounded out by Najmiddin Mavlyanov as Pollione, Michael Butler as Flavio, Erwin Schrott as Oroveso, Emily Sierra in the role of Adalgisa, and Shannon Keegan as Clotilde. They are joined by the Chorus of {…}