Willie Nelson, Neil Young, John Mellencamp and Dave Matthews will perform during Farm Aid 2013 set for Sept. 21 at the Saratoga Performing Arts Center in Saratoga Springs, N.Y. Other acts appearing at the all-star concert will be announced in the near future. Since its inception, Farm Aid has raised more than $43 million to … More Farm Aid 2013 Taking Place in Saratoga Springs, N.Y.