After four days embedded in the Bonnaroo experience out in Manchester, Tennesee June 11-14, Billboard's correspondents picked the highlights of this year's fetival from Trent Reznor's big announcement to Bruce Springsteen and Phish's jam and much more. Beastie Boys At Bonnaroo 2009

10. The Beastie Boys show some New York love by bringing out fellow city MC Nas for a run through "Too Many Rappers" from the Boys' upcoming "Hot Sauce Committee."