Certain members of the orchestra not a million miles from here are blaming our freak storms on the fact that they're about to launch into Tristan und Isolde at Glyndebourne, the emotional power of which is inducing the weather to imitate the opera's setting, Cornwall. I couldn't possibly comment... but here's a sneak preview of Nina Stemme singing the Liebestod. Tristan opens next week - with La Nina a climatically appropriate choice for the lead. A further taster to get everyone in the mood will follow tomorrow.