Gretchen Peters Allan Taylor Roseanne Cash Hans Theessink Kieran Goss Matt Steady Ewen Carruthers Frances Black Crystal Gayle David Roth Ruby Amanfu Karan Casey Dave Alvin Alison Krauss And Union Statio Mary Black Matt Andersen Tom Russell Buddy Miller Mary Gauthier Martyn Joseph Bruce Robison Ray Wylie Hubbard James Mcmurtry Rainbirds Eleven Hundred Springs Sara Watkins Iris Dement Br549 Patty Loveless Antje Duvekot The Wailin' Jennys Robbie Fulks Louis Jordan & His Tympany Five Mary Coughlan Wallin Jennies Rosie Thomas Kasey Chambers Delbert Mcclinton Mary Chapin Carpenter Rosanne Cash Freedy Johnston T-Bone Walker Kris Kristofferson Paul Thorn Eva Cassidy Guy Clark Mavericks Joe Ely Linda Ronstadt