As much of a summer fixture as Ascot or Wimbledon — but with grunting tennis players and whinnying horses swapped for more melodious sounds — Britain’s so-called country house opera festival is in peak season. Taking place in and among some of the most beautiful estates and grounds in England, the specifics may change but some things are constant: quality performers, bucolic spots to have a picnic in a dinner interval, and the strong allure of something fizzy to drink, whether it’s champagne or sparkling elderflower.

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I’ve been lucky enough to be able to visit most of these festivals. But what are the differences between them — and how do you get the best from your experience? Read my last-minute guide, and do contribute in the comments with your favourite recommendations and tips.

The Glyndebourne festival

Glyndebourne, East Sussex