Farm Aid board members: Neil Young, Willie Nelson,  John Mellencamp and Dave Matthews

Farm Aid board members: Neil Young, Willie Nelson, John Mellencamp and Dave Matthews

Farm Aid co-founders Willie Nelson and John Mellencamp last night announced that the 30th annual Farm Aid celebration will take place this year on Sept. 19. The pair represented Farm Aid at the 17th annual GRAMMY Foundation® Legacy Concert, where the GRAMMY Foundation honored the organization for its ability to harness the power of music for social change as the longest running concert for a cause.