John Hammond Robbie Robertson Rick Danko Levon Helm Daniel Lanois Townes Van Zandt The New Amsterdams Todd Snider Manitas De Plata Julian Sas Delaney & Bonnie Teddy Thompson John Hiatt Björn Berge John Prine Blondie Chaplin Eric Andersen Gary Brooker Matthew O'Neill Dizzi Dulcimer Debashish Bhattacharya Carrie Rodriguez Steve Earle Steve Kimock Stone Machine Tom Rush Joe Crookston Mark Germino Burton Cummings Calvin Russell Los Diablos Taste Umakant Gundecha Dan Penn John Barry Hank Shizzoe Susan Werner Jonathan Wilson Ruston Kelly Rory Gallagher Ana Popovic Buffalo Fuzz Snowy White Lesley Gore Deaf Radio Hank Williams Sr. David Allan Coe The Band Emmylou Harris