The inaugural weekend of the Rock in Rio festival on the Las Vegas Strip ended with a two-hour blast of Metallica last night, in a concert that was streamed around the world via Yahoo! Live. “Is Vegas rocking today?” singer-guitarist James Hetfield shouted to the thousands gathered across the 40-acre venue. “Let’s mess it all up with some Metallica noise.” The band’s appearance was especially anticipated because Metallica has toured almost exclusively overseas in recent years, with only occasional one-off dates, benefits and awards shows in the U.S.
