All My Friends: Celebrating the Songs & Voice of Gregg Allman captures a once-in-a-lifetime performance, honoring one of the most acclaimed and beloved icons in rock and roll history. Performances by Warren Haynes, Derek Trucks, Susan Tedeschi, Keb Mo, Brantley Gilbert, Dr. John, Pat Monahan, John Hiatt, Jaimoe, Taj Mahal, Gregg Allman, Widespread Panic, Trace Adkins, Vince Gill, Martina McBride, Eric Church, Jackson Browne, Zac Brown, The Allman Brothers Band & more.