The Bayerische Staatsoper announced that during Act five of its premiere performance of Verdi’s “Les Vêpres Siciliennes” tenor Bryan Terfel was substituted by tenor Leonardo Caimi. According to the company, while Hymel acted the role, Caimi sang backstage. According to reports, Hymel suffered a bad cough that impeded him from being able to finish singing the performance. Caimi recently performed “Les {…}