After hints and clues, Bonnaroo's 2008 lineup's been announced. They've confirmed Lez Zeppelin, but not Led Zeppelin. Though Robert Plant will show up to shuffle along with Alison Krauss. In their seventh year, Bonnaroo's also bringing the aging thrash of Metallica (along with the younger crush of Mastodon) and the AT&T loving EdVed and his Pearl Jam to the Manchester, ...