Seattle’s Bumbershoot will celebrate its 40th anniversary over Labor Day weekend. The event will take pace at Seattle Center from September 4-6. The Saturday headliner will be Bob Dylan on a bill that also includes Neko Case and The Decemberists. Sunday will see Weezer, Hole and Rise Against take the stage. Then on Monday night, Mary J. Blige and J. Cole will headline along with an artist yet to be named. Other acts include: Billy Bragg, Ozomatli, Angelique Kidjo, Solomon Burke, Ra Ra Riot,The English Beat, The Dandy Warhols , Edward Sharpe & The Magnetic, The Whigs, Balkan Beat Box, Plants and Animals and many oters. Tickets will go on sale this coming Friday.