Tropical SwingIt is one of the world’s longest running and most popular radio formats, an idea so perfect that when Roy Plomley sent the concept to Leslie Perowne, head of light entertainment at the BBC, he responded heartily with, “Why didn’t we think of Desert Island Discs before? It’s such an obvious and excellent idea.” And so it has proved to be, as well as one of the most enduring, lasting more than 70 years on the airwaves, conti...