Organizers of the upcoming "We Walk The Line: A Celebration of the Music of Johnny Cash" concert have confirmed that Willie Nelson and Sheryl Crow will join the lineup for the April 20th show in Austin, Texas. They join previously-announced performers Kenny Chesney, Kris Kristofferson, Lucinda Williams, Shooter Jennings, Ray LaMontagne, Jamey Johnson, Chris Cornell, John Hiatt, Ronnie Dunn, Carolina Chocolate Drops and Amy Lee. The concert celebrating the life and legend of the Man in Black will take place at the Austin City Limits Live venue's Moody Theatre, with tickets already on sale here or by calling 877-4-FLYTIX.

Part of the ticket proceeds from the Austin show will be donated to Charley's Fund, which helps in the fight against the fatal children's disease, Duchenne Muscular Dystrophy. For more information about the "We Walk the Line" concert, visit www.johnnycash80.com.

Read more at The Boot.