David Gans, in his home studio in Oakland, CA. on Wednesday Feb. 16, 2011, as prepares for his annual Grateful Dead Marathon show at Berkeley radio station KPFA. He plans to sit at a booth at station and play and talk everything grateful Dead for 16 hour

David Gans, in his home studio in Oakland, CA. on Wednesday Feb. 16, 2011, as prepares for his annual Grateful Dead Marathon show at Berkeley radio station KPFA. He plans to sit at a booth at station and play and talk everything grateful Dead for 16 hours straight. A drawing of Jerry Garcia, (at rght) by Miki Saito, was sent to David Gans years ago. (Photo By Michael Macor/The San Francisco Chronicle via Getty Images)