(Credits: Gregor Hohenberg/Sony Classical /© David Jerusalem  / © DR / Fazil Berisha / http://arsis-artists.com/en/iain-paterson/) L’Opéra de Paris has announced full casts and dates for the concert performances of Wagner “Der Ring des Nibelungen.” The Ring cycle was initially planned as a series of four fully staged operas but had to be reorganized into concert performances due to the ongoing {…}