The Eagles will headline the Stagecoach Country Music Festival in Indio, Calif., on May 2 — a just-added extension of the original two-day lineup. Additional performers slated for May 2 include Glen Campbell, John Fogerty, Shelby Lynne, Trisha Yearwood, Shooter Jennings, the Nitty Gritty Dirt Band, Rissi Palmer and Chuck Wicks. Now scheduled for May 2-4, the festival will feature more than 50 country artists, including Tim McGraw, Rascal Flatts, Taylor Swift and Carrie Underwood, as well as the Judds.