One of the proudest boasts to come from Britten HQ in Aldeburgh during the composer’s anniversary last year was that performances of his works were proliferating across the globe — and not just in the UK — as never before. If the Opéra de Lyon might be a little late to the anniversary party in featuring Britten in its annual Eastertime opera festival only this year, the fact that it’s doing so at all certainly provides evidence of the composer’s worldwide reputation, as well as of the artistic adventurousness of Serge Dorny, reinstalled for the time being as the opera...