The 6,000 listeners in Hollywood Bowl could hardly believe their ears.
For the first few bars of a Peruvian folk chant called High Andes, the full-figured Peruvian girl onstage rumbled roundly at the bottom of contralto range. Then, to their astonishment, she soared effortlessly up a full four octaves, began trilling like a canary at the top of coloratura. At the end of her first song, the audience was still too surprised to raise more than warm applause. The second, Tumpa (Earthquake), brought cheers; after the third, a pyrotechnical Inca Hymn to the Sun, the applause and cheers swelled to a roar...