The Carter Family and Johnny Cash

Johnny Cash, Waylon Jennings, Willie Nelson and Kris Kristofferson

The Carter Family, Rosanne Cash and Johnny Cash

Waylon Jennings, Willie Nelson, Johnny Cash and Kris Kristofferson

Old Crow Medicine Show, Joel Rafael, Jimmy LaFave, Donovan, Rosanne Cash, John Leventhal, Sweet Honey in the Rock, Lucinda Williams, Judy Collins, Tom Morello, Ani DiFranco, Ry Cooder, Dan Gellert, Jackson Browne, The Del McCoury Band, Tony Trischka, Tim O'Brien, John Mellencamp and Ramblin' Jack Elliott