The All Good Festival has announced the addition of Yonder Mountain String Band, Conspirator, ALO, Elephant Revival, The Macpodz, Dirtfoot, and Yellow Dubmarine to the 2012 lineup. The event is taking place July 19-22 at Legend Valley in Central Ohio for the first time this year at the former site of the Buckeye Lake Music Center, where numerous Grateful Dead shows happened in the late 80s and early 90s.--The entire lineup includes these already announced bands:The Allman Brothers BandPhil Lesh and FriendsThe Flaming LipsBob Weir & Bruce Hornsby featuring special guest Branford MarsalisMichael Franti & SpearheadLotusG. Love & Special SauceGalacticShpongle presents The MasqueradeMickey Hart BandTrampled by TurtlesSOJABig GiganticTea Leaf GreenRailroad EarthGreensky BluegrassPapadosioThe WerksThe Wood BrothersLettuceThe LumineersEveryone OrchestraRumpke Mountain Boys4onthefloorThe Rex Jam