Oeuvre: Higglety Pigglety Pop!

While there’s no reason that a children’s opera should be simple or easy, there’s no real need for it to be difficult either. So I was a little confused going into the Barbican’s performance of Oliver Knussen’s brilliant brace of Maurice Sendak adaptations this Saturday, which was surrounded, despite the works’ subject matter, with a slightly unbecoming aura of seriousness.