The Avett Brothers and the Civil Wars have been announced as part of the Bonnaroo Music and Arts Festival lineup in June. Headliners include Radiohead, Red Hot Chili Peppers and Phish. Grammy winner Bon Iver and a reunited lineup of the Beach Boys will also perform. Bonnaroo will take place near Manchester, Tenn., on June 7-10, the same weekend as the CMA Music Festival in Nashville. The Bonnaroo lineup also features the Shins, Foster the People, Skrillex and Aziz Ansari, as well as Dispatch, Feist, the Roots, Alice Cooper, Superjam, Black Star and dozens more.