Italian opera star Luciano Pavarotti sings during part of his round-the-world farewell tour concerts in Shanghai, China in this December 6, 2005 file photo. Luciano Pavarotti, whose vibrant high C's and ebullient showmanship made him the most beloved and celebrated tenor since Caruso and one of the few opera singers to win crossover fame as a popular superstar, died Thursday. He was 71. [Reuters]