For eight years, Sir Mark Elder has been the Artistic Director of Opera Rara, a London-based opera company and recording label specializing in recording and performing forgotten operatic repertoire. In this capacity, Elder has discovered new pieces and has recorded and performed such works as Donizetti’s “Dom Sebastien,” “Imelda di Lambertazzi,” “Linda di Chamounix,” “Maria di Rohan,” “Les Martyrs” and {…}