First ever posthumous tribute to the psychedelic rock luminary and pioneer, featuring all-new recordings by Lucinda Williams, Billy F Gibbons, The Black Angels, Margo Price, Mosshart Sexton (Alison Mosshart & Charlie Sexton), Neko Case, Mark Lanegan & Lynn Castle, Jeff Tweedy, Gary Clark Jr & Eve Monsees, Ty Segall, Chelsea Wolfe, and Brogan Bentley