Bryan Adams, John Mellencamp, Neil Young, Paul Simon, Ringo Starr, Tammy Wynette, Ricky Van Shelton and Travis Tritt are among the performers on the bill for Farm Aid VI. Willie Nelson announced the lineup Monday for the April 24 concert at Cyclone Stadium in Ames, Iowa. "What we accomplish here at Farm Aid VI will reach beyond the cornfields of Iowa to every American," he said.