Merle Haggard, Gram Parsons

David Bromberg, Willie Nelson, Bobby Bare, John Prine, Commander Cody, Ramblin' Jack Elliott, Guy Clark, Willis Alan Ramsey, Dan Hicks, Billie Jo Spears, Townes Van Zandt, John McEuen, Chris Wall, Lee Clayton, Doug Sahm, Michael Hurley, David Allan Coe, Tom T. Hall, John Hartford

Lyle Lovett, Robert Earl Keen, Jr., Commander Cody, Butch Hancock, Ryan Bingham, Pat Green