Nitty Gritty Dirt Band, Johnny Cash, Ricky Skaggs – Will The Circle Be Unbroken
Nitty Gritty Dirt Band 1989, Jeff Hanna, Jimmie Fadden, Bob Carpenter, Jimmy Ibbotson, Johnny Cash, Roy Acuff, Bruce Hornsby, Paulette Carlson, Michael M.Murphey, Earl Scruggs, Roy Huskey Jr., Randy Scruggs, Ricky Skaggs, Chris Hillman, Jimmy Martin, Levon Helm, Emmylou Harris, John Hiatt, Roger McGuinn, Bela Fleck, Sam Bush, Mark O’Connor, Rosanne Cash, Jerry Douglas, Chet Atkins, Marty Stuart, Vassar Clements, and the Carter Family.