This years Farm Aid has offered up another interesting collaboration. Gregg Allman, who is already slated to perform with the Allman Brothers Band also will deliver an acoustic set with Willie Nelson and Dave Matthews. This performance will be added to a line-up that also includes Neil Young, John Mellencamp, Warren Haynes, The Derek Trucks Band, Dave Matthews and Tim Reynolds, Matisyahu, Guster and Counting Crows. Farm Aid will take place at New York Citys Randall’s Island on September 9.