Top music artists across the board continue to add their names to the list of entertainers tapped to appear for TNT's All-Star Tribute To Johnny Cash. Artists confirmed for the telecast include Brooks & Dunn, June Carter Cash, Sheryl Crow, Chris Isaak, Dave Matthews, Marty Stuart and Wyclef Jean. The Mavericks will be doing house-band duties. The event, featuring the music of Cash, tapes April 6th at the Hammerstein Ballroom in New York City and airs April 18th at 8 p.m. Eastern. Previously announced talent that will perform live for the TNT Masters Series concert includes Rosanne Cash, Emmylou Harris, Lyle Lovett, Kris Kristofferson, Willie Nelson and Trisha Yearwood. The series spotlights major figures who are acknowledged masters in their fields.