(Photo: Jean-Louis Fernandez) Postponed from last year, owing to COVID restrictions, Kaija Saariaho’s new opera “Innocence” finally received its world premiere at this year’s Festival d’Aix-en-Provence, and it did not disappoint. The libretto, written by Sofi Oksanen, interweaves two narratives which relate to a school shooting. One focuses on the students and their teacher who were present at the time {…}