Bel canto stars Pretty Yende and Javier Camarena team up for a feast of vocal fireworks on the Met stage. Maurizio Muraro is Sergeant Sulplice, with Stephanie Blythe as the outlandish Marquise of Berkenfield. Enrique Mazzola conducts. La Fille du Régiment is a co-production of the Metropolitan Opera; the Royal Opera House, Covent Garden, London; and the Wiener Staatsoper, Vienna.