This Day in Music History: September 22 On Sept. 22, 1985, music became a national megaphone for America’s family farmers. The first Farm Aid concert filled Memorial Stadium in Champaign, Illinois, with 80,000 people and brought together an unusually broad lineup that included Willie Nelson, Neil Young, John Mellencamp, Bob Dylan, Billy Joel, B.B. King, Bonnie Raitt, Loretta Lynn, Roy Orbison and Tom Petty. Organized in only six weeks after Dyla…