Outdoor concerts can be delightful, especially when the music and the natural surroundings make a perfect mix. Then again, when you’re playing outdoors, things sometimes happen that wouldn’t ever happen in the concert hall—and I’m not just talking about thunderstorms. I’m thinking of a concert I played many years ago at a festival in France. The setting was beautiful—we were in a valley in the Alps—and the music was Schubert’s “Trout” Quintet. What could be better? The performance received an