The Salzburg Osterfestpiele has announced its lineup for 2018. The opera that will headline the festival will be Puccini’s “Tosca” starring German soprano Anja Harteros. The soprano is currently portraying Sieglinde at the festival in a new production of Wagner’s “Die Walküre.” She will be joined by Latvian tenor Aleksandrs Antonenko and the production will also star French baritone Ludovic Tezier. {…}