LONDON (Reuters) - A sumptuous first recording of a long-lost 450-year-old Italian Renaissance mass written for 40 different vocal parts has soared onto British pop charts a week after its release. The recording by British vocal group I Fagiolini of the little-known Alessandro Striggio's 1566 Mass for 40 Voices -- most masses are written for four -- made its debut at number 68 on the pop charts, above Bon Jovi, George Harrison and Eminem. It was number two on the classical charts, just behind Dutch violinist waltz master Andre Rieu. "We really worked hard so that there could be a...