Henry Burr and Helen Clark
Warren Haynes, Derek Trucks, Susan Tedeschi, Devon Allman, Robert Randolph, Jimmy Hall, Sam Moore, Keb Mo , Brantley Gilbert, Dr. John, Pat Monahan, John Hiatt, Taj Mahal, Gregg Allman, Widespread Panic, Trace Adkins, Martina McBride, Eric Church, Jackson Browne, Zac Brown, The Allman Brothers Band feat. Vince Gill
Will The Circle Be Unbroken