Deutsche Oper Berlin has announced cast changes for its upcoming performances of J. Strauss’ “Die Fledermaus.” The company announced that soprano Hulkar Sabirova will replace Rachel Willis-Sørensen in the role of Rosalinde for performances on Dec. 25 and Dec. 31 at 2 P.M. Meanwhile, soprano Jacquelyn Wagner will takeover the Dec. 31 performance at 7: 30 P.M. replacing Willis-Sørensen. Sabirova {…}