A new all-star concert DVD/CD and Blu-ray honoring Johnny Cash is due out Tuesday, August 7. We Walk the Line: A Celebration of the Music of Johnny Cash was shot in Austin, TX in April featuring performances from Willie Nelson , Kris Kristofferson , Ronnie Dunn and Jamey Johnson . Train 's Pat Monahan and Sheryl Crow also take part in the tribute to Cash.

A broadcast television version of the concert will air on PBS on Friday, August 10.

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