Once again, the season at Liceu comes to a close and, very importantly, Christina Scheppelmann’s era as artistic director of the Barcelonan theatre ends as well. She will be the new artistic director at the Seattle Opera from August. Having been leading Liceu for the last five years and having had to face grave economic limitations, she has nevertheless left important landmarks for Liceu’s artistic history such as Benvenuto Cellini, the celebrated Andrea Chénier with...