Oper Frankfurt has announced its 2020-21 season. The German house will present 11 new productions and a number of revivals and recitals. New Productions  Monika Buczkowska, Judita Nagyová, Peter Marsh, Simon Neil, and Alfred Reiter star in Ligeti’s “La Grand Macabre.” Sebastian Weigle conducts a production by Vasily Barkhatov. Performance Dates: Sept. 13-Oct. 17, 2020 Katharina Thoma will direct Offenbach’s {…}