https://www.opera-online.com/en/items https://www.opera-online.com/en/items filtrer Siegfried - Teatro alla Scala (2... Teatro alla Scala., 2026
https://www.opera-online.com/en/items https://www.opera-online.com/en/items filtrer Klaus Florian Vogt Tenor
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https://www.opera-online.com/en/items https://www.opera-online.com/en/items filtrer Olafur Sigurdarson Baritone
https://www.opera-online.com/en/items https://www.opera-online.com/en/items filtrer Christa Mayer Mezzo soprano
https://www.opera-online.com/en/items https://www.opera-online.com/en/items filtrer Camilla Nylund Soprano
https://www.opera-online.com/en/items https://www.opera-online.com/en/items filtrer Francesca Aspromonte Soprano
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