"Since I can't run around for you," Rose told the crowd from his throne on loan from Dave Grohl, "we're gonna bring out a friend, put a little life into things for us."

With Young, the band ripped through a pair of vintage AC/DC tracks, including "Whole Lotta Rosie" from 1977's "Let There Be Rock" and "Riff Raff" from 1978's "Powerage."