Kenny Chesney will join Farm Aid board members Willie Nelson, Neil Young, John Mellencamp and Dave Matthews this weekend at the 25th annual Farm Aid concert. This year's event is set for Saturday (Oct. 2) at Miller Park in Milwaukee. The talent lineup also includes Jamey Johnson, the Randy Rogers Band, Norah Jones, Jason Mraz, Jeff Tweedy, Band of Horses, Amos Lee and the Blackwood Quartet, among others. The event will be featured live on Willie's Place, Nelson's channel on Sirius XM Satellite Radio. Nelson, Young and Mellencamp founded Farm Aid in 1985 to support programs that assist farmers and to promote food from family farms.