Cole Porter was that rare being, a top-ranking popular composer without a 'rags to riches ' background. He was born rich, and spent his life in opulent surroundings. It shows in his work, which is as much a song book as a treasure chest. Dipping into it, FRANK DIXON comes up with some of the expected set-pieces-and with a few unexpected gems. Presented by RAY MOORE Producer HERBERT SMITH