Salzburg’s Whitsun Festival hosted a Gala on Monday evening, May 21, 2018. Conducted by Daniel Barenboim and the Staatskapelle, Berlin, it was a splendid event. Cecilia Bartoli and Jonas Kaufmann did the vocal honors after Rolando Villazón canceled for health reasons. Bartoli and Barenboim included additional music to supplement the absent singer, and Jonas Kaufmann sang solo from the Wesendonck {…}