. . "But the show was a triumph, and will surely fuel calls for a full tour next year (a rumor the band will not confirm).it is sometimes easy to forget how huge Led Zeppelin in their prime really were: the group has sold over 300 million albums to date, and their last two U.K. concerts before Bonham's death, at Knebworth House in Hertfordshire in 1979, drew an estimated 400,000 people." . .